(algebra) A ring of fractions of a given ring, such that the set of allowed denominators contains all of the non-zero divisors of the given ring.

A type of hitch also known as the ringbolt hitching.

plural of alternate ring hitching

(gambling, slang) A compulsion to gamble regardless of one's losses.

A small plover, Charadrius dubius

Aythya collaris, a diving duck from North America commonly found in freshwater ponds and lakes

(slang) Of a woman: to masturbate.

(informal, derogatory, sports, US) A championship in a sporting competition that is perceived to be of lower quality than other championships due to weaker competition.

The edible mushroom Marasmius oreades.

plural of fairy ring champignon