ADDER

Snake (like an abacus?) (5)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 16,103 — 2021-12-16 00:00:28
  3D: Venomous snake (5)
• Quick crossword No 15,190 — 2019-01-14 00:00:22
  5D: Snake (like an abacus?) (5)