Artificial intelligent assistant

A tent

A tent U.S.
  [f. the letter A, from its shape.]
  A tent with sides sloping downwards from a ridge pole.

1863 Gray & Ropes War Lett. (1927) 187 Beside them was a lot of negro laborers (not even soldiers) in brand new A tents. 1888 Century Mag. Jan. 447/2 Three wall tents..and twice as many ‘A’ or ‘wedge’ or common tents. 1904 Eliz. Robins Magnetic North xvi. 284 Down in the desolate hollow a ragged A tent sagged away from the prevailing wind. 1933 Cheley Camping Out 432 An ‘A’ tent is almost as easy to pitch, especially if it is hung on a ridge rope tied between two trees.

Oxford English Dictionary

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