ling /lɪŋ/ noun5 •a long thin sea fish caught in cold waters and eaten as food •A common ling (Molva molva). •Any of various varieties of heather or broom. •Common heather (Calluna vulgaris)I was sitting by a path on a tussock between some bushes, whence I could overlook the path and a little valley to which it led down, and where nothing but ling and heather grew. — 1886 •(informal) Clipping of linguistics. formslings