Entry 2 senses · 2 variants Webster, 1913 Nectarine /(nĕk"tẽr*ĭn)/ · Nec·tar·ine · IPA /ˈnɛk.tə.ɹiːn/ a. n. 01 a. Nectareous. 1. Nectareous.[R.] 02 n. A smooth-skinned variety of peach. 1. A smooth-skinned variety of peach.(Bot.) Phrases & compounds Spanish nectarine — the plumlike fruit of the West Indian tree Chrysobalanus Icaco; -- also called cocoa plum. It is made into a sweet conserve which is largely exported from Cuba.