From WordNet (r) 3.0 (2006):
toss
n 1: the act of flipping a coin [syn: flip, toss]
2: (sports) the act of throwing the ball to another member of
your team; "the pass was fumbled" [syn: pass, toss,
flip]
3: an abrupt movement; "a toss of his head"
v 1: throw or toss with a light motion; "flip me the beachball";
"toss me newspaper" [syn: flip, toss, sky, pitch]
2: lightly throw to see which side comes up; "I don't know what
to do--I may as well flip a coin!" [syn: flip, toss]
3: throw carelessly; "chuck the ball" [syn: chuck, toss]
4: move or stir about violently; "The feverish patient thrashed
around in his bed" [syn: convulse, thresh, thresh
about, thrash, thrash about, slash, toss,
jactitate]
5: throw or cast away; "Put away your worries" [syn: discard,
fling, toss, toss out, toss away, chuck out, cast
aside, dispose, throw out, cast out, throw away,
cast away, put away]
6: agitate; "toss the salad"