1
gill
/ˈgɪl/
noun
plural
gills
plural
gills
Britannica Dictionary definition of GILL
[count]
:
the body part that a fish uses for breathing
to the gills
informal
2
:
very thoroughly or completely
2
gill
/ˈʤɪl/
noun
plural
gills
plural
gills
Britannica Dictionary definition of GILL
[count]
:
a unit of liquid measure equal to ¹/₄ pint