M / mĕrīdĭōnārĭus
adjective

mĕrīdĭōnārĭus

fem. mĕrīdĭōnāria · neut. mĕrīdĭōnārium
belonging to mid-day, meridional
of or belonging to mid-day, meridional (postclass.): gloria quoius lemulcatus (lemniscatus) meridionaria, Tit. ap. App. de Orthogr. p. 130 Mai.