dive

It is not that pearls fetch a high price because men have dived for them.

to dive into home plate

[the Hammersmith & City at Paddington]: There it dived underground, eventually enabling its train services to run over, and be entangled with, the easterly extensions of the Metropolitan and the District.

She dove right in and started making improvements.

To dive an infant either thrice or but once in Baptism

The Curtii bravely dived the gulf of flame.

dive into the Concerns of all about them