sessile
Pronunciation: /ˈsɛsʌɪl, ˈsɛsɪl/
adjective
Biology- (of an organism, e.g. a barnacle) fixed in one place; immobile: parrotfish inadvertently graze upon sessile invertebrates when cropping algae overall body shape is consistent with a sessile habit
- Botany & Zoology (of a plant or animal structure) attached directly by its base without a stalk or peduncle: sporangia may be stalked or sessile
Origin:
early 18th century: from Latin sessilis, from sess- 'seated', from the verb sedere