Counting-frame (6)

I believe the answer is:

abacus

'counting-frame' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for abacus that I've seen before include "Old calculator" , "Counting machine" , "Calculating frame" , "Beaded counting frame" , "frame of sorts" .)

I've seen this clue in the Evening Standard and The Irish Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.