(spat)
Past tense and past participle of SPIT¹.

(spat) noun
1. Spawn of shellfish; specifically, spawn of the oyster.
2. A young oyster, or young oysters collectively.
—v.i. spat·ted, spat·ting To spawn, as oysters. [? Related to SPIT¹]

(spat) noun
1. A slight blow; slap.
2. A splash, as of rain; spatter.
3. A petty dispute.
—v. spat·ted, spat·ting v.i.
1. To strike with a slight sound; slap.
2. To engage in a petty quarrel.
—v.t.
3. To slap. [Prob. imit.]

(spat) noun
A short gaiter worn over a shoe and fastened underneath with a strap: usually in the plural. [Short for SPATTERDASH]