catchfly

[ kach-flahy ]
/ ˈkætʃˌflaɪ /

noun, plural catch·flies.

any of various plants, especially of the genera Silene and Lychnis, having a viscid secretion on the stem and calyx in which small insects are sometimes caught.

Origin of catchfly

1590–1600; from phrase catch ( the) fly

British Dictionary definitions for catch flies

catchfly
/ (ˈkætʃˌflaɪ) /

noun plural -flies

any of several caryophyllaceous plants of the genus Silene that have sticky calyxes and stems on which insects are sometimes trapped