The Collaborative International Dictionary
Setireme
Setireme \Se"ti*reme\, n. [Seta + L. remus an oar.] (Zo["o]l.) A swimming leg (of an insect) having a fringe of hairs on the margin.
Wiktionary
setireme
n. (context zoology dated rare English) A swimming leg (of an insect) having a fringe of hairs on the margin.