ˈtju:nɪk n. 1 a a close-fitting
short coat of
police or
military etc.
uniform. b a
loose,
often sleeveless
garment usu. reaching to
about the knees, as
worn in ancient Greece
and Rome. c
any of
various loose, pleated dresses gathered at the
waist with a
belt or
cord. d a
tunicle. 2 Zool. the rubbery
outer coat of an
ascidian etc. 3
Bot. a any of the
concentric layers of a
bulb. b the
tough covering of a
part of
this. 4 Anat. a
membrane enclosing or
lining an
organ. [F tunique or L tunica]