Definition of nestle-cock in US English:

nestle-cock

noun

English Regional, North Midland, Northern
  • The last-hatched bird of a brood; the weakling of a brood. In extended use: a mother's pet; a spoilt or delicate child or youth.

Origin

Mid 17th century; earliest use found in Thomas Middleton (d. 1627), playwright. From nestle + cock.

Pronunciation

nestle-cock

/ˈnɛslˌkɒk/