Tumor Definition

to͝omər, tyo͝o-

tumors

noun

tumors

A swelling on some part of the body.

Webster's New World

A mass of new tissue growth independent of its surrounding structures, having no physiological function; neoplasm: such tumors are classified as benign or malignant.

Webster's New World

High-flown language; bombast.

Webster's New World

Synonyms:

Other Word Forms of Tumor

Noun

Singular:

tumor

Plural:

tumors

Origin of Tumor

From Old French tumour, from Latin tumor (“swelling"), from tumeō (“I bulge, swell"). English usage attested since the 16th century.

From Wiktionary
Middle English tumour from Latin tumor from tumēre to swell teuə- in Indo-European roots

From American Heritage Dictionary of the English Language, 5th Edition