The Collaborative International Dictionary
Olivary body
Olivary \Ol"i*va*ry\, a. [L. olivarius belonging to olives, fr. oliva an olive: cf. F. olivaire.] (Anat.) Like an olive.
Olivary body (Anat.), an oval prominence on each side of the medulla oblongata; -- called also olive.
Wiktionary
olivary body
n. (context anatomy English) Either of a pair of prominent oval structures in the medulla oblongata, the lower portion of the brainstem, containing the olivary nuclei.
Wikipedia
Olivary body
In anatomy, the olivary bodies or simply olives (Latin oliva and olivae, singular and plural, respectively) are a pair of prominent oval structures in the medulla oblongata, the lower portion of the brainstem. They contain the olivary nuclei.