From The Collaborative International Dictionary of English v.0.48:
Spit \Spit\, v. t. [imp. & p. p. Spit (Spat, archaic); p.
pr. & vb. n. Spitting.] [AS. spittan; akin to G.
sp["u]tzen, Dan. spytte, Sw. spotta,Icel. sp?ta, and prob. E.
spew. The past tense spat is due to AS. sp?tte, from sp?tan
to spit. Cf. Spat, n., Spew, Spawl, Spot, n.]
1. To eject from the mouth; to throw out, as saliva or other
matter, from the mouth. "Thus spit I out my venom."
--Chaucer.
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2. To eject; to throw out; to belch.
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Note: Spitted was sometimes used as the preterit and the past
participle. "He . . . shall be mocked, and spitefully
entreated, and spitted on." --Luke xviii. 32.
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From The Collaborative International Dictionary of English v.0.48:
Spat \Spat\,
imp. of Spit. [Obs. or R.]
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From The Collaborative International Dictionary of English v.0.48:
Spat \Spat\, n. [From the root of spit; hence, literally, that
which is ejected.]
A young oyster or other bivalve mollusk, both before and
after it first becomes adherent, or such young, collectively.
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From The Collaborative International Dictionary of English v.0.48:
Spat \Spat\, v. i. & t.
To emit spawn; to emit, as spawn.
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From The Collaborative International Dictionary of English v.0.48:
Spat \Spat\, n. [Cf. Pat.]
1. A light blow with something flat. [U.S. & Prov. Eng.]
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2. Hence, a petty combat, esp. a verbal one; a little
quarrel, dispute, or dissension. [U. S.]
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From The Collaborative International Dictionary of English v.0.48:
Spat \Spat\, v. i.
To dispute. [R.] --Smart.
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From The Collaborative International Dictionary of English v.0.48:
Spat \Spat\, v. t. [imp. & p. p. Spatted; p. pr. & vb. n.
Spatting.]
To slap, as with the open hand; to clap together; as the
hands. [Local, U.S.]
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Little Isabel leaped up and down, spatting her hands.
--Judd.
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From The Collaborative International Dictionary of English v.0.48:
Spat \Spat\, n. [Short for Spatterdash.]
1. A legging; a gaiter. [Scot. & Dial. Eng.]
[Webster 1913 Suppl.]
2. A kind of short cloth or leather gaiter worn over the
upper part of the shoe and fastened beneath the instep; --
chiefly in pl.
[Webster 1913 Suppl.]