GOAT

Grown-up kid (4)

Solution has appeared in 3 crosswords (2 across and 1 down):

• Quick crossword No 15,679 — 2020-08-06 23:00:21
  17A: Animal with kids? (4)
• Quick crossword No 15,482 — 2019-12-20 00:00:02
  17D: Butting animal (4)
• Quick crossword No 15,293 — 2019-05-13 23:00:16
  20A: Grown-up kid (4)