Definition of lings:
(n) :
Common heather (Calluna vulgaris)
(n) :
Any of various varieties of heather or broom.
(n) :
Any of various marine food fish, of the genus Molva, resembling the cod.
(n) :
A common ling (Molva molva).
(n) :
A surname.
(n) :
(informal) Clipping of linguistics. [The systematic and scholarly study of language.]