- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of several caryophyllaceous plants of the genus Silene that have sticky calyxes and stems on which insects are sometimes trapped