• A coarse blackish seaweed (Fuscus nodosus). • A strong or offensive taste; especially, a taste of something extraneous to the thing itself; as, wine or cider has a tang of the cask. • Fig.: A sharp, specific flavor or tinge. Cf. Tang a twang. • A projecting part of an object by means of which it is secured to a handle, or to some other part; anything resembling a tongue in form or position. • The part of a knife, fork, file, or other small instrument, which is inserted into the handle. • The projecting part of the breech of a musket barrel, by which the barrel is secured to the stock. • The part of a sword blade to which the handle is fastened. • The tongue of a buckle. • A sharp, twanging sound; an unpleasant tone; a twang. • To cause to ring or sound loudly; to ring. • To make a ringing sound; to ring.