catchfly /ˈkæt͡ʃ.flaɪ/ noun1 •Any of several plants, mostly in tribe Sileneae, that have sticky leaves on which flies become stuck; especially, the silenes or campions.“What on earth did you put in that stuff?” “Bug-bane, barren-wort, penny-cress and blood-root, catchfly, toad-flax, nap-weed and wormwood,” said Catweazle. — 1970 formscatchflies