Artificial intelligent assistant

off-cap

ˈoff-ˈcap, v. Obs. nonce-wd.
  [f. the expression Off caps!]
  intr. To take off or doff the cap, in reverence or respect to (a person). So off-cap n., doffing of the cap.

1604 Shakes. Oth. i. i. 10 Three Great-ones of the Cittie, (In personall suite to make me his Lieutenant) Off-capt to him. 1606 tr. Rollock's Comm. 2 Thess. 170 (Jam.) They are enemies,..all their doings, becking, and off-cap, and good dayes..are fained.

Oxford English Dictionary

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