noun, plural cat·a·lex·es [kat-lek-seez] /ˌkætˈlɛk siz/. Prosody.
the absence of a syllable at the beginning or end of a line of metrical verse resulting in an incomplete foot, most often occurring in the last foot at the end of a verse; a catalectic line.
Origin of catalexis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019