- to carry on intensive and thorough research for data, information, or the like; investigate: to delve into the issue of prison reform.
- to dig, as with a spade.
- to dig; excavate.
- to inquire or research deeply or intensively (for information, etc)
- to search or rummage (in a drawer, the pockets, etc)
- (esp of an animal) to dig or burrow deeply (into the ground, etc)
- to dig or turn up (earth, a garden, etc), as with a spade