Definitions
1.nounA penult, a next-to-last thing, particularly:
2.adjective(in United States usually formal) Next to last, second to last; immediately preceding the end of a sequence, list, etc.
3.adjectiveOf or pertaining to a penult.
4.adjectiveRelating to or denoting an element of a related collection of curves that is arbitrarily close to a degenerate form.