gill

1 of 2

verb

gilled; gilling; gills
Synonyms of gillnext

intransitive verb

of fish : to become entangled in a gill net
giller noun

giller

2 of 2

noun

gill·​er
ˈgilə(r)
plural -s
1
: one that guts fish
especially : a member of a fish-dressing gang who cuts out the gills and entrails of fish
2
: one that catches fish with a gill net
3
: one that supplies slivers to a gill box

Word History

Etymology

and Noun

First Known Use

Verb

1884, in the meaning defined at transitive sense

Time Traveler
The first known use of gill was in 1884

Browse Nearby Words

Cite this Entry

“Gill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gill. Accessed 9 Jun. 2026.

Kids Definition

gill

1 of 2 noun
: a unit of liquid capacity equal to four fluid ounces see measure

gill

2 of 2 noun
1
: an organ (as of a fish) of thin plates or threadlike processes for obtaining oxygen from water
2
: the flesh under or about the chin or jaws
usually used in plural
3
: one of the plates arranged in a circle and forming the undersurface of the cap of a mushroom

Medical Definition

gill

1 of 2 noun
: either of two units of capacity:
a
: a British unit equal to ¹/₄ imperial pint or 8.669 cubic inches
b
: a United States liquid unit equal to ¹/₄ United States liquid pint or 7.218 cubic inches

gill

2 of 2 noun
1
: an organ (as of a fish) for obtaining oxygen from water
2
: one of the radiating plates forming the undersurface of the cap of a mushroom
gilled adjective

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