verb
triples; tripled; tripling
[+ obj] :to cause (something) to become three times as great or as many
[no obj] :to become three times as great or as many
[no obj] baseball :to hit a triple :to hit the ball so that you can reach third base
noun
plural triples
[count] baseball :a hit that allows the batter to reach third base - compare double, home run, single
adjective
three times bigger in size or amount
always used before a noun :having three parts or including three people or things
US