first cranial nerve n.
See olfactory nerve.
- First cuneiform bone
first cuneiform bone n. See medial cuneiform bone.
noun, Southern U.S. 1. .
noun 1. (among Quakers) Sunday.
- First-day cover
[furst-dey, -dey] /ˈfɜrstˌdeɪ, -ˈdeɪ/ noun, Philately. 1. a cover marked so as to indicate that it was mailed on the first day of issue of the stamp it bears and from one of the cities at which the stamp was issued on that day.