The Collaborative International Dictionary of English v.0.48:
Extract \Ex*tract"\, v. t. [imp. & p. p. Extracted; p. pr. &
vb. n. Extracting.] [L. extractus, p. p. of extrahere to
extract; ex out + trahere to draw. See Trace, and cf.
1. To draw out or forth; to pull out; to remove forcibly from
a fixed position, as by traction or suction, etc.; as, to
extract a tooth from its socket, a stump from the earth, a
splinter from the finger.
Sits on the bloom extracting liquid sweet. --Milton.
2. To withdraw by expression, distillation, or other
mechanical or chemical process; as, to extract an essence.
Cf. Abstract, v. t., 6.
Sunbeams may be extracted from cucumbers, but the
process is tedious.
3. To take by selection; to choose out; to cite or quote, as
a passage from a book.
I have extracted out of that pamphlet a few
notorious falsehoods. --Swift.
To extract the root (Math.), to ascertain the root of a
number or quantity.