Artificial intelligent assistant

crackmans

ˈcrackmans Thieves' cant.
  [see crack n. 18: cf. darkmans = night.]
  A hedge.

1610 S. Rowlands M. Mark-all, Crackmans, the hedge. 1621 B. Jonson Masque Met. Gipsies, To their libkins at the Crackmans. 1725 New Cant. Dict. s.v., The Cull thought to have loap'd by breaking through the Crackmans. 1737 Bacchus & Venus, Thou the Crackmans down didst beat.

Oxford English Dictionary

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