What does "half term" mean?

A short school holiday in the middle of the term, generally lasting a week.

What is a synonym for "half term"?

Common synonyms include: midterm biology exam.

noun

noun ·Rare ·Advanced level

Noun

1
A short school holiday in the middle of the term, generally lasting a week. UK
"I have just visited him at his mother's home where he is spending half term and we reminisced while looking at his photo album."
2
Used other than figuratively or idiomatically: see half, term.

"I have just visited him at his mother's home where he is spending half term and we reminisced while looking at his photo album."