Real Dictionary

spit
uncountable noun: Spit is the watery liquid produced in your mouth. You usually use spit to refer to an amount of it that has been forced out of someone's mouth.
verb: If someone spits, they force an amount of liquid out of their mouth, often to show hatred or contempt.
verb: If you spit liquid or food somewhere, you force a small amount of it out of your mouth.

spit in American English 1
to eject from within the mouth
intransitive verb: to eject saliva from the mouth; expectorate
noun: saliva, esp. when ejected
transitive verb: to eject from the mouth

spit in American English 2
a thin, pointed rod or bar on which meat is impaled for broiling or roasting over a fire or before other direct heat
to fix or impale on or as on a spit
noun: a pointed rod or bar for thrusting through and holding meat that is to be cooked before or over a fire
transitive verb: to pierce, stab, or transfix, as with a spit; impale on something sharp

spit in British English 1
verb: to expel saliva from the mouth; expectorate

spit in British English 2
noun: a pointed rod on which meat is skewered and roasted before or over an open fire
verb: to impale on or transfix with or as if with a spit

spit in British English 3
noun: the depth of earth cut by a spade; a spade's depth