{ ‖ } n. [ L. antepaenultima (sc. syllaba) antepenultimate; ante before + paenultimus the last but one; paene almost + ultimus last. ] (Pros.) The last syllable of a word except two, as -syl- in monosyllable. [ 1913 Webster ]
a. Of or pertaining to the last syllable but two. -- n. The antepenult. [ 1913 Webster ]