Available Definitions:
1) v. i. - 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.
2) v. i. - To make a formal accusation; to make a charge.
3) v. t. - To lament; to bewail.