Merriam-Webster
Main Entry:
ring
Pronunciation: 'ri[ng]
Function:
noun
Etymology: Middle English, from Old English
hring; akin to Old High German
hring ring, Old Church Slavonic
krogu circle
Date: before 12th century
1 : a circular band for holding, connecting, hanging, pulling, packing, or sealing <a key ring> <a towel ring>
2 : a circlet usually of precious metal worn on the finger
3 a : a circular line, figure, or object <smoke ring>
b : an encircling arrangement <a ring of suburbs>
c : a circular or spiral course -- often used in plural in the phrase run rings around
4 a (1) : an often circular space especially for exhibitions or competitions; especially : such a space at a circus (2) : a structure containing such a ring
b : a square enclosure in which boxers or wrestlers contest
5 : a band believed to be composed of rocky fragments revolving around a planet (as Saturn)
6 :
ANNUAL RING
7 a : an exclusive combination of persons for a selfish and often corrupt purpose (as to control a market) <a wheat ring>
b :
GANG
8 : the field of a political contest :
RACE
9 : food in the shape of a circle
10 : an arrangement of atoms represented in formulas or models in a cyclic manner -- called also cycle
11 : a set of mathematical elements that is closed under two binary operations of which the first forms a commutative group with the set and the second is associative over the set and is distributive with respect to the first operation
12 plural
a : a pair of usually rubber-covered metal rings suspended from a ceiling or crossbar to a height of approximately eight feet above the floor and used for hanging, swinging, and balancing feats in gymnastics
b : an event in gymnastics competition in which the rings are used
13 :
BOXING <ended his ring career>
- ring·like /'ri[ng]-lIk/ adjective