Look up sessile in Wiktionary, the free dictionary.
Sessility may refer to:
- Sessility (zoology), animals which are not able to move about
- Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant
- Sessility (limnology), organisms anchored to the benthic environment
- Sessility (medicine), tumors and polyps that lack a stalk
- In Dislocation, a type of crystallographic dislocation that is not able to move in the slip plane (as opposed to glissile dislocations).