(lә-tis´ĭ-mәs) Latin word meaning widest. In anatomy, it is used to describe a broad structure.
latisimus, latissimus 1. A reference to a broad anatomical structure; such as, a muscle. 2. Widest.
superlative of adjective, Latin latus = wide, hence, latissimus dorsi muscle, the widest muscle of the back; earlier name was anitersor - wiper of the anus.