The Collaborative International Dictionary of English v.0.48:

Render \Ren"der\ (r?n"d?r), v. t. [imp. & p. p. Rendered
   (-d?rd);p. pr. & vb. n. Rendering.] [F. rendre, LL. rendre,
   fr. L. reddere; pref. red-, re-, re- + dare to give. See
   Datetime, and cf. Reddition, Rent.]
   1. To return; to pay back; to restore.
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            Whose smallest minute lost, no riches render may.
                                                  --Spenser.
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   2. To inflict, as a retribution; to requite.
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            I will render vengeance to mine enemies. --Deut.
                                                  xxxii. 41.
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   3. To give up; to yield; to surrender.
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            I 'll make her render up her page to me. --Shak.
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   4. Hence, to furnish; to contribute.
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            Logic renders its daily service to wisdom and
            virtue.                               --I. Watts.
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   5. To furnish; to state; to deliver; as, to render an
      account; to render judgment.
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   6. To cause to be, or to become; as, to render a person more
      safe or more unsafe; to render a fortress secure.
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   7. To translate from one language into another; as, to render
      Latin into English.
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   8. To interpret; to set forth, represent, or exhibit; as, an
      actor renders his part poorly; a singer renders a passage
      of music with great effect; a painter renders a scene in a
      felicitous manner.
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            He did render him the most unnatural
            That lived amongst men.               --Shak.
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   9. To try out or extract (oil, lard, tallow, etc.) from fatty
      animal substances; as, to render tallow.
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   10. To plaster, as a wall of masonry, without the use of
       lath.
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The Collaborative International Dictionary of English v.0.48:

Rendering \Ren"der*ing\, n.
   The act of one who renders, or that which is rendered.
   Specifically:
   (a) A version; translation; as, the rendering of the Hebrew
       text. --Lowth.
   (b) In art, the presentation, expression, or interpretation
       of an idea, theme, or part.
   (c) The act of laying the first coat of plaster on brickwork
       or stonework.
   (d) The coat of plaster thus laid on. --Gwilt.
   (e) The process of trying out or extracting lard, tallow,
       etc., from animal fat.
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WordNet (r) 3.0 (2006):

rendering
    n 1: a performance of a musical composition or a dramatic role
         etc.; "they heard a live rendition of three pieces by
         Schubert" [syn: rendition, rendering]
    2: an explanation of something that is not immediately obvious;
       "the edict was subject to many interpretations"; "he annoyed
       us with his interpreting of parables"; "often imitations are
       extended to provide a more accurate rendition of the child's
       intended meaning" [syn: interpretation, interpreting,
       rendition, rendering]
    3: the act of interpreting something as expressed in an artistic
       performance; "her rendition of Milton's verse was
       extraordinarily moving" [syn: rendition, rendering,
       interpretation]
    4: a written communication in a second language having the same
       meaning as the written communication in a first language
       [syn: translation, interlingual rendition, rendering,
       version]
    5: a coat of stucco applied to a masonry wall
    6: perspective drawing of an architect's design
    7: giving in acknowledgment of obligation

Moby Thesaurus II by Grady Ward, 1.0:

120 Moby Thesaurus words for "rendering":
   alphabet, art, blueprint, cameo, cantando, catalog, cataloging,
   character, character sketch, charactering, characterization, chart,
   choreography, composite reading, concentration, conception,
   conflation, conventional representation, critical edition,
   dance notation, decoction, delineation, demilegato, demonstration,
   depiction, depictment, description, details, diagram,
   diplomatic text, distillation, drama, drawing, edited text,
   edition, evocation, execution, exemplification, expression,
   figuration, fingering, glissando, graphic account, hieroglyphic,
   iconography, ideogram, illustration, image, imagery, imaging,
   impression, infusion, interpretation, intonation, itemization,
   lection, legato, letter, limning, logogram, logograph, map,
   mezzo staccato, music-making, musical notation, normalized text,
   notation, paraphrase, parlando, particularization, performance,
   photograph, pianism, pictogram, picture, picturization, pizzicato,
   plan, portrait, portraiture, portrayal, prefigurement,
   presentation, presentment, pressing, printing, profile, projection,
   reading, realization, rendition, repercussion, representation,
   restatement, rubato, schema, scholarly edition, score, script,
   showing, sketch, slur, soaking, specification, spiccato, squeezing,
   staccato, steeping, syllabary, symbol, tablature, text, touch,
   translation, variant, version, vignette, vivid description,
   word painting, writing



The Free On-line Dictionary of Computing (30 December 2018):

rendering

    The conversion of a high-level object-based
   description into a graphical image for display.

   For example, ray-tracing takes a mathematical model of a
   three-dimensional object or scene and converts it into a
   bitmap image.  Another example is the process of converting
   HTML into an image for display to the user.

   (2001-02-06)