trichopteran

NOUN
12 LETTERS · 4 SYLLABLES · STARTS WITH T

trichopteran is a valid 12-letter word worth 19 points in Scrabble and 21 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1R1I1C3H4O1P3T1E1R1A1N1
1 + 1 + 1 + 3 + 4 + 1 + 3 + 1 + 1 + 1 + 1 + 1 =19 PTS
DOUBLE WORD → 38TRIPLE WORD → 57
MEANING

What does trichopteran mean?