a piece of metal of known heaviness that can be used to measure the heaviness of other objects

the amount that something or someone weighs:
What weight can this lorry safely carry?
in your weight There was a slight decrease in his weight after a week of dieting.

respect, influence, trust, or importance:
Her experience does give her opinions quite a bit of weight.
attach weight to After he was voted out of office, few people attached much weight to what he said.
carry weight Radical views don't carry much weight any more.