Abacus

noun
'æbəkəs

Noun

  • a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves

    Type of:Calculator
  • a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave

    Type of:Tablet

Dictionary Validity

Tournament Word List (TWL)
SCRABBLE US
Collins Scrabble Words (CSW21)
SCRABBLE UK
ENABLE Dictionary
WORDS WITH FRIENDS
Combined US/UK Scrabble Dictionary
SOWPODS
North American Scrabble (NWL2020)
NASPA