noun: (historical cooking, rare, obsolete) Synonym of carenum: a reduction of must or sweet wine in ancient European cuisine.
noun: (Catholicism, historical, rare) A 40-day fast or period of similar abstinence.
noun: (Catholicism, historical, rare) An indulgence from 40 days of fasting or similar abstinence, especially during Lent; (later) various equivalent indulgences against punishment in Purgatory.
noun: (zoology, obsolete) The lower portion of a marine animal's shell, covering its mantle.
