annulus

1. 1.

   a toroidal shape

   “a ring of ships in the harbor”

   “a halo of smoke”

   Synonymsringhalodoughnutanchor ring

   Broadertoroid

   Narrowerfairy ring
2. 2.

   (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar

   Synonymsskirt

   Broaderplant part

   Part ofpartial veil

   Fungi

Other forms of annulus

plural

annuli

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about annulus

What does annulus mean?

annulus means "a toroidal shape". That is the primary sense; the word has 2 in total, listed in full on this page.

How many syllables are in annulus?

annulus has 3 syllables: an-nu-lus. The stress falls on "an".

What is another word for annulus?

Close synonyms include ring, halo, doughnut, anchor ring, skirt. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is annulus a common word?

annulus is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.