What does "threepence" mean?

The amount of money equal to that of three pence (old or new).

What is a synonym for "threepence"?

Common synonyms include: bob, crown, dollar, farthing, groat, guinea.

/ˈθɹʌpəns/ noun

noun ·Rare ·Advanced level

Noun

1
The amount of money equal to that of three pence (old or new). uncountable
"‘Can you let me have threepence for an urgent telephone call?’"
2
former cupronickel coin of the United Kingdom equal to three pennies wordnet
3
A former (pre-decimalisation) British or Irish coin worth three old pence. countable, historical

"‘Can you let me have threepence for an urgent telephone call?’"

From three + pence.