Could you hold(, please)?

Could you hold(, please)?

A question asked when one answering the phone needs to put the caller on hold. Let me see if he's in his office—could you hold, please? Sorry, could you hold? I'm getting a call on the other line.
See also: could
Farlex Dictionary of Idioms.

Could you hold?

 and Can you hold?; Will you hold?
Do you mind if I put your telephone call on hold? "Could you hold?" asked the operator. Sue: Hello. Acme Motors. Can you hold? Bob: I guess. Sue (after a while): Hello. Thank you for holding. Can I help you?
See also: could
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • Can you hold(, please)?
  • Could you hold?
  • Would you hold(, please)?
  • Will you hold(, please)?
  • hold it
  • Hold it!
  • hold with
  • hold with (something)
  • get hold of
  • get hold of (one)