Available Definitions:
1) v. i. - To utter a plaintive cry, as some animals; to moan with a childish noise; to complain, or to tell of sorrow, distress, or the like, in a plaintive, nasal tone; hence, to complain or to beg in a mean, unmanly way; to moan basely.
2) v. t. - To utter or express plaintively, or in a mean, unmanly way; as, to whine out an excuse.
3) n. - A plaintive tone; the nasal, childish tone of mean complaint; mean or affected complaint.