hringur

Etymology
From, from.

Noun

 * 1) circle
 * 2) ring (jewellery)
 * 3) something round or circular
 * 4) circular route
 * 5) lap circuit around a race track
 * 6)  ring, kroužek
 * 7)  hoop

Usage notes
The plural in -ar is usually reserved for jewelry, the plural in -ir for other senses. Derived compound words generally follow this.

Declension
Declension usually used for the sense 'jewelry'.

Declension used for other senses.