both refer to movie chains (i.e., Loews, AMC Theatres) with movie theatres that screen more than one film at a time, as opposed to single-screen theatres. A multiplex has from 2 up to 16 screens, a megaplex has 16 or more screens; plex is the abbreviation for a multiplex theatre.
A morula (Latin, morus: mulberry) is an early stage embryo consisting of cells (called blastomeres) in a solid ball contained within the zona pellucida.
Full Definition of MORON. 1. usually offensive: a person affected with mild mental retardation. 2. : a very stupid person. â moÂ·ronÂ·ic \mÉ-Ërae-ËrÃ¤, nik-\ moÌ. â adjectiveÂ·moÂ·ronÂ·iÂ·cal \-ly-ni(k-)É\ lÄ. adverb