sperm

1 of 2

noun

ˈspərm 

plural sperm or sperms

1

a

: semen

b

: a male gamete

especially : spermatozoon sense 1

2

: a product of the sperm whale

sperm-

2 of 2

combining form

variants or spermo- or sperma- or spermi-

: seed : germ : sperm

spermatheca

spermicide

Examples of sperm in a Sentence

Noun

The sperm fertilizes the egg.

Recent Examples on the Web

Noun

For the dodo, the researchers will first harvest primordial germ cells (PGCs)—nascent cells that give rise to eggs and sperm—from the nicobar pigeon, the dodo’s closest living relative. — Jeffrey Kluger, Time, 14 Oct. 2026

Alarms went off after a major global analysis published in 2022 estimated that average sperm concentration fell by about half between 1973 and 2018 among men not selected on the basis of fertility. — Dr. Jamin Brahmbhatt, CNN Money, 13 Oct. 2026

In May 2005, scientists identified sperm collected from Houck's body during an autopsy and a portion of the material was taken for DNA analysis. — Bryan Lynn, CBS News, 13 Oct. 2026

Junna is eager to become a mother, although several legal barriers prevent her from accessing sperm donations or fertility treatment. — Guy Lodge, Variety, 11 Oct. 2026

Word History

Etymology

Noun

Middle English, from Middle French esperme, sperme, from Late Latin spermat-, sperma, from Greek, literally, seed, from speirein to sow; probably akin to Armenian p'aratem I dispense

Combining form

Greek sperm-, spermo-, from sperma

First Known Use

Noun

14th century, in the meaning defined at sense 1a

Phrases Containing sperm

• sperm bank
• sperm cell
• sperm count
• sperm donor
• sperm nucleus
• sperm oil
• sperm whale

Rhymes for sperm

• berm
• ferm
• firm
• germ
• herm
• squirm
• term
• therm
• worm
• wurm
• affirm
• bookworm

Kids Definition

sperm

noun

ˈspərm 

plural sperm or sperms

1

: semen

2

: a mobile male gamete that has a long and thin or rounded head and a long thin tail that acts as a flagellum

called also spermatozoon, sperm cell

Medical Definition

sperm

noun

ˈspərm 

plural sperm or sperms

1

: the male impregnating fluid : semen

2

: a male gamete

especially : spermatozoon