sessile

English

Etymology

From Latin sessilis (“sitting”), from sessus, perfect passive participle of verb sedeō (“to sit”), adjective suffix -ilis. Compare session.

Pronunciation

• IPA^(key): /ˈsɛsaɪl/, /ˈsɛsɪl/

• Audio (Southern England):

  (file)

Adjective

sessile (not comparable)

1. (zoology) Permanently attached to a substrate; not free to move about.

   a sessile oyster

2. (botany, oncology) Attached directly by the base; not having an intervening stalk; stalkless.
   • 1903, George Francis Atkinson, chapter VII, in Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.‎^[1], 2nd edition, New York: Henry Holt:

     The pileus is sessile, or sometimes narrowed at the base into a short stem, the caps often numerous and crowded together in an overlapping or imbricate manner.

   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 5:

     The sporophyte foot is also characteristic: it is very broad and more or less lenticular or disciform, as broad or broader than the calyptra stalk […] , and is sessile on the calyptra base […]

Synonyms

• (not free to move): attached, fixed, immobile

Antonyms

• (antonym(s) of “not free to move”): mobile, motile, vagile

Derived terms

• nonsessile
• sessile bellwort
• sessilely
• sessileness
• sessile oak
• sessility
• subsessile

 

Translations

zoology

• Bulgarian: прикрепен (bg) (prikrepen), неподвижен (bg) (nepodvižen)
• Catalan: sèssil
• Finnish: alustaan kiinnittynyt
• French: sessile (fr)
• German: festgewachsen (de), festsitzend (de), sitzend (de), sessil (de)
• Italian: sessile (it)
• Portuguese: séssil (pt)
• Russian: сидя́чий (ru) (sidjáčij), прикреплённый (ru) (prikrepljónnyj)
• Spanish: sésil (es)
• Swedish: sessil, fastsittande

botany

• Bulgarian: без дръжка (bez drǎžka)
• Catalan: sèssil
• Finnish: varreton (fi), kannaton (fi)
• German: ungestielt, stiellos, sessil (de), sitzend (de)
• Greek: άμισχος (el) (ámischos)
• Italian: sessile (it)
• Polish: bezogonkowy (pl) (of a leaf), bezszypułkowy (pl)
• Portuguese: séssil (pt)
• Russian: сидя́чий (ru) (sidjáčij), бесчерешко́вый (ru) m (besčereškóvyj)
• Spanish: sésil (es)

See also

• crustose

Anagrams

• lessies

Italian

Etymology

From Latin sessilis.

Pronunciation

• IPA^(key): /ˈsɛs.si.le/
• Rhymes: -ɛssile
• Hyphenation: sès‧si‧le

Adjective

sessile (plural sessili)

1. (botany, zoology) sessile

Latin

Adjective

sessile

1. nominative/accusative/vocative neuter singular of sessilis