adj.
Pronunciation: ' se- ˌ s ī (- ə )l, -s ə l
Function: adjective
Etymology: Latin sessilis of or fit for sitting, low, dwarf (of plants), from sessus, past participle of sed ē re
Date: circa 1753
1 : attached directly by the base : not raised upon a stalk or peduncle <a sessile leaf> < sessile bubbles>
2 : permanently attached or established : not free to move about < sessile sponges and coral polyps>