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Definition of grex

grex

/ɡrɛks/
grex
Plural:greges
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grex Lexical Profile

grex Game Scores & Validity

• noun

1

A taxonomic category used in the naming of cultivated plants, particularly orchids, to denote a group of hybrid plants that share the exact same parent species.

Example

"Every new seedling grown from that specific cross between the two parent orchids is considered a member of the same grex."

2

A multicellular, slug-like mass formed by the aggregation of thousands of individual amoebae in cellular slime molds, migrating as a single unit before developing into a fruiting body.

Example

"When starvation triggers the cellular slime molds to gather, they collectively form a migrating grex to seek a suitable environment for reproduction."

Synonyms
View all synonyms for grex

• Rhymes for grex

• Nearby Words

grenadines
grevillea
grevys zebra
grex
grey reef shark
grey river
greyhound

Word Origin & Etymology

From Latin 'grex', meaning 'flock', 'herd', or 'company'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Grex. In Wordmom Dictionary. Retrieved Nov 6, 2026, from https://wordmom.com/dictionary/grex
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