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A tri-wing or tri-plane.
Tri
the number for tri = 3
A nonexample of "tri" could be "quart" because it does not have the prefix "tri-" which means three.
Tri-Pe-Let
Below is a 4 sets of eight note triplets in a 4/4 time signature.
1-and-a 2-and-a 3-and-a 4-and-a