Main entry: sessile, stalkless
Definition: attached directly by the base; not having an intervening stalk
Usage: sessile flowers; the shell of a sessile barnacle is attached directly to a substrate
Antonyms: stalked, pedunculate
Definition: having or growing on or from a peduncle or stalk
Main entry: sessile
Definition: permanently attached to a substrate; not free to move about
Usage: sessile marine animals and plants
Antonyms: vagile
Definition: having freedom to move about