aquaplane

WordReference Random House Learner's Dictionary of American English © 2019

aq•ua•plane /ˈækwəˌpleɪn, ˈɑkwə-/   n., v.,  -planed, -plan•ing. 
n. [countable]

1. a board that skims over water when it is towed at high speed by a motorboat, ridden for recreation.

v. [no object]

2. to ride an aquaplane.

WordReference Random House Unabridged Dictionary of American English © 2019

aq•ua•plane  (ak′wə plān′, ä′kwə-), n., v.,  -planed, -plan•ing. 
n. 

1. Sport a board that skims over water when towed at high speed by a motorboat, used to carry a rider in aquatic sports.

v.i. 

2. Sport to ride an aquaplane.
3. Aeronautics hydroplane (def. 7).

aq′ua•plan′er, n. 

• aqua- + (air)plane 1910–15

Collins Concise English Dictionary © HarperCollins Publishers::

aquaplane /ˈækwəˌpleɪn/ n

1. a single board on which a person stands and is towed by a motorboat at high speed, as in water skiing

vb (intransitive)

1. to ride on an aquaplane
2. (of a motor vehicle travelling at high speeds in wet road conditions) to rise up onto a thin film of water between the tyres and road surface so that actual contact with the road is lost