Scales are the machine that weighs things. Kitchen scales, bathroom scales, put it on the scales.
In British English scales is plural for the object; American English says a scale. Digital kitchen scales measure to the gram, which is why baking works better with them than with cups. Scales are also the small hard plates covering a fish or reptile, and in music a scale is a run of notes. Note tip the scales, meaning to decide a close matter; and the scales of justice.
1nounscalesA machine for weighing things.
“The kitchen scales measure to about a gram.”
Patternkitchen / bathroom scales · weigh sth on the scales · a set of scales · tip the scales
synonyms: scale, weighing machine
2nounsmallThe small hard plates covering a fish or reptile.
“Scrape the scales off the fish before you cook it.”
scales is a weighing device or covering plates.
Also accepted in games: scale
SCALES → the two plates of justice, in balance
Think of the statue outside a court: a woman holding two plates on a bar, perfectly in balance. Kitchen scales weigh the flour the same way.
Practised in In the Kitchen, Numbers & Measurement