— sessility /se sil"i tee/ , n.
/ses"il, -uyl/ , adj.
1. Bot. attached by the base, or without any distinct projecting support, as a leaf issuing directly from the stem.
2. Zool. permanently attached; not freely moving.
[ 1715-25; sessilis fit for sitting on, low enough to sit on, dwarfish (said of plants), equiv. to sess ( us ) (ptp. of sedere to SIT 1 ) + -ilis -ILE ]