(Britain, informal) A court order forbidding publication of any information that could identify a child involved in legal proceedings.

bell-bottom trousers

A spider, Argyroneta aquatica, living almost entirely underwater, using hairs on its abdomen and legs to trap air.

plural of diving bell spider

Fragile X syndrome.

(idiomatic) To strike or bump one's own head with a strong blow, especially with concussive force.

(idiomatic) To physically traumatize someone with a strong blow, especially a concussive blow to the head. / (idiomatic) To please; to satisfy greatly.

(UK, slang) To telephone someone.

plural of Mary Bell order

(idiomatic, obsolete) To be superior in something.