sessile

Definition of Sessile in English :

1. sessile

permanently attached to a substrate; not free to move about

Example Sentences:
'sessile marine animals and plants'

2. sessile, stalkless

attached directly by the base; not having an intervening stalk

Example Sentences:
'sessile flowers'
'the shell of a sessile barnacle is attached directly to a substrate'

WordNet Lexical Database for English. Princeton University. 2010.

Sessile

adjective

1.

(of flowers or leaves) having no stalk; growing directly from the stem

2.

(of animals such as the barnacle) permanently attached to a substratum

adjective

1. Biology

a.

attached directly by its base

b.

permanently fixed; immobile

2. Botany

having no pedicel or peduncle; attached directly to the main stem, as the flower and leaves of a trillium plant

adj.

1. Permanently attached or fixed; not free-moving: sessile marine invertebrates.

2. Stalkless and attached directly at the base: sessile leaves.