RIB

Vein structure in a leaf (3)

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

• Quick crossword No 16,077 — 2021-11-16 00:00:16
  1D: Curved strip of bone (3)
• Quick crossword No 15,667 — 2020-07-23 23:00:00
  21A: Vein structure in a leaf (3)