plural of stellarity

plural of stellium

plural of stellerid

(zoology) A starfish.

(astronomy) The rotational period of Earth; the time in which Earth rotates exactly 360 degrees around its axis, measured relative to the stars (about 23 hours, 56 minutes, 4 seconds).

(obsolete) stellar; astral

plural of stellerine

steller; a kind of sea cow

plural of steller

Steller's sea cow, an extinct sirenian.