·vi To make a formal accusation; to make a charge.
II. Complain ·vt To Lament; to Bewail.
III. Complain ·vi To give utterance to expression of grief, pain, censure, regret. ·etc.; to Lament; to Murmur; to find fault;
— commonly used with of. Also, to creak or squeak, as a timber or wheel.