Available Definitions:
1) v. i. - To make a low prolonged sound of grief or pain, whether articulate or not; to groan softly and continuously.
2) v. i. - To emit a sound like moan; -- said of things inanimate; as, the wind moans.
3) v. t. - To bewail audibly; to lament.
4) v. t. - To afflict; to distress.
5) v. i. - A low prolonged sound, articulate or not, indicative of pain or of grief; a low groan.
6) v. i. - A low mournful or murmuring sound; -- of things.