Dictionary.com
definitions

molluscum

[muh-luhs-kuh m]
noun, plural mol·lus·ca [muh-luhs-kuh] /məˈlʌs kə/. Pathology.
  1. any of various skin conditions characterized by soft, rounded tumors.

Origin of molluscum

1805–15; < New Latin, Latin: fungus, noun use of neuter of molluscus soft; akin to mollis soft
Related formsmol·lus·cous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
molluscum in Medicine

molluscum

[mə-lŭs′kəm]
n. pl. mol•lus•ca (-kə)
  1. Any of various skin diseases marked by the occurrence of soft spherical tumors on the face or the body.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.