n.
Pronunciation: t ə - ' ri-d ə - ˌ f ī t, ' ter- ə -d ō -
Function: noun
Etymology: New Latin Pteridophyta, from Greek pterid- + phyton plant ― more at PHYT-
Date: 1880
: any of a division (Pteridophyta) of vascular plants (as a fern) that have roots, stems, and leaves but lack flowers or seeds