The Collaborative International Dictionary of English v.0.48:

Effuse \Ef*fuse"\, a. [L. effusus, p. p. of effundere to pour
   out; ex + fundere to pour. See Fuse to melt.]
   1. Poured out freely; profuse. [Obs.]
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            So should our joy be very effuse.     --Barrow.
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   2. Disposed to pour out freely; prodigal. [Obs.] --Young.
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   3. (Bot.) Spreading loosely, especially on one side; as, an
      effuse inflorescence. --Loudon.
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   4. (Zo["o]l.) Having the lips, or edges, of the aperture
      abruptly spreading; -- said of certain shells.
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The Collaborative International Dictionary of English v.0.48:

Effuse \Ef*fuse"\, n.
   Effusion; loss. "Much effuse of blood." --Shak.
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The Collaborative International Dictionary of English v.0.48:

Effuse \Ef*fuse"\, v. t. [imp. & p. p. Effused; p. pr. & vb.
   n. Effusing.]
   To pour out like a stream or freely; to cause to exude; to
   shed. [R.]
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         With gushing blood effused.              --Milton.
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The Collaborative International Dictionary of English v.0.48:

Effuse \Ef*fuse"\, v. i.
   To emanate; to issue. --Thomson.
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WordNet (r) 3.0 (2006):

effuse
    v 1: pour out; "effused brine" [syn: effuse, pour out]
    2: flow or spill forth [syn: flow out, effuse]
    3: give out or emit (also metaphorically); "The room effuses
       happiness"

Moby Thesaurus II by Grady Ward, 1.0:

103 Moby Thesaurus words for "effuse":
   abounding, abundant, affluent, all-sufficing, ample, aplenty,
   arise, bail out, bleed, bottomless, bounteous, bountiful,
   break cover, break forth, burst forth, come, come forth, come out,
   copious, debouch, diffuse, discharge, disembogue, egest, eliminate,
   emanate, emerge, emit, epidemic, erupt, excrete, exfiltrate,
   exhaustless, extravagant, extravasate, extrude, exuberant, exudate,
   exude, fat, fertile, filter, filtrate, flush, full, galore,
   generous, give off, in plenty, in quantity, inexhaustible, issue,
   issue forth, jump out, lavish, leach, liberal, lixiviate,
   luxuriant, many, maximal, much, numerous, ooze, opulent,
   overflowing, pass, percolate, plenitudinous, plenteous, plentiful,
   plenty, prevailing, prevalent, prodigal, productive, profuse,
   profusive, protrude, rampant, reek, replete, rich, rife, riotous,
   running over, sally, sally forth, secrete, seep, strain,
   superabundant, surface, teeming, transpire, transude, wealthy,
   weep, well-found, well-furnished, well-provided, well-stocked,
   wholesale