Noun
One
of
a
pair
of
elongated
pointed
teeth
that
extend
outside
the
mouth
of
an
animal
such
as
walrus
,
elephant
or
wild boar
,
and
which
continue
to
grow
throughout
the
animal
'
s
life
.
Verb
To
dig up
using
a
tusk
,
as
boars
do
.