# leukocyte

> English word · Noun · IPA /ˈluːkə(ʊ)sʌɪt/ · frequency rank #67,589

## Definitions
1. Any of a class of blood cells that play various roles in cell-mediated immunity.

## Etymology
From leuko- + -cyte.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/leukocyte