nectarine

noun

1. a variety or mutation of peach having a smooth, downless skin.

noun

1. a variety of peach tree, Prunus persica nectarina
2. the fruit of this tree, which has a smooth skin

n.type of peach with smooth skin, 1660s, noun use of adjective meaning “of or like nectar” (1610s; see nectar + -ine (1)). Probably inspired by German nektarpfirsich “nectar-peach.” Earlier in English as nectrine.