circulus

[ sur-kyuh-luhs ]
/ ˈsɜr kyə ləs /

noun, plural cir·cu·li [-lahy]. /-ˌlaɪ/.

any of the concentric circles on each scale of a fish, each of which indicates the annual growth of that scale.

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Origin of circulus

<Latin: circle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for circulus

Medical definitions for circulus

circulus
[ sûrkyə-ləs ]

n. pl. cir•cu•li (-lī′)

A ringlike or circular structure.
A circle formed by connecting arteries, veins, or nerves.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.