ANNULATE
annular, annulate, annulated, circinate, ringed, ring-shaped, doughnut-shaped
(adjective) shaped like a ring
Source: WordNet® 3.1
Etymology
Adjective
annulate (comparative more annulate, superlative most annulate)
Having an annular form or shape.
(botany) Describes a fern sporangium that has an annulus.
(mycology) Describes a mushroom with an annulus on the stipe.
Noun
annulate (plural annulates)
(zoology) One of the Annulata.
Source: Wiktionary
An"nu*late, n. (Zoöl.)
Definition: One of the Annulata.
An"nu*late, An"nu*la`ted a. Etym: [L. annulatus.]
1. Furnished with, or composed of, rings; ringed; surrounded by rings
of color.
2. (Zoöl.)
Definition: Of or pertaining to the Annulata.
Source: Webster’s Unabridged Dictionary 1913 Edition