Artificial intelligent assistant

ride-on

ride-on, a.
  (ˈraɪdɒn)
  [f. ride v. + on prep.]
  Of a power-driven lawn mower, etc.: on which the operator rides.

1969 Times 13 Dec. p. vii/5 He would more than recoup the cost of a 24 in. ride-on type of motor mower. 1972 Country Life 23 Mar. 703/3 A number of ride-on rotaries are also available. 1977 Sunday Tel. (Colour Suppl.) 5 June 11 (Advt.), The Simplicity range of ride-on tractors is the most competitive of its kind on the market.

Oxford English Dictionary

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