accessorius

[ ak-suh-sawr-ee-uhs, -sohr- ]

noun

, plural ac·ces·so·ri·i [ak-s, uh, -, sawr, -ee-ahy, -, sohr, -].

1. Anatomy. any muscle, nerve, gland, etc., that reinforces the action of another.

accessorius

/ ˌæksɛsˈɔːrɪəs /

noun

1. anatomy a muscle or nerve that has an augmenting action

Word History and Origins

Origin of accessorius¹

< New Latin, Medieval Latin: accessory