# lymphocyte

> English word · Noun · frequency rank #54,318

## Definitions
1. Any of several types of white blood cell with a spherical nucleus occurring in the lymphatic system, including B cells, T cells and natural killer cells.

## Etymology
From lympho- + -cyte.

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