a poem or epigram consisting of a single metrical line.
a single line of poetry.
Origin of monostich
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a poem of a single line
Word Origin for monostich
C16: via Late Latin from Greek; see mono-, stich
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012