The figure formed by the rotation of a circle. A term singularly, but very often, misapplied in parlance for orbit.
·noun An orbit, as of a star; a socket. II. Sphere ·noun Rank; order of society; social positions. ...
Webster's Dictionary of the English Language
·add. ·- the mass of archoplasm left by the aster in the resting cell. II. Attraction sphere ·add. ...
An instrument composed of various circles, to assist the student in gaining a knowledge of the arran...
The Sailor's Word-Book