Definition of water-ski:
(n) :
A barangay of Baco, Oriental Mindoro, Philippines (unconfirmed).
(n) :
A hamlet in Manaton parish, Teignbridge district, Devon, England (OS grid ref SX7580).
(n) :
A hamlet on the B6238 Burnley Road in Rossendale borough, Lancashire, England (OS grid ref SD8425).
(n) :
A surname
(n) :
(uncountable) An inorganic compound (of molecular formula H₂O) found at room temperature and pressure as a clear liquid; it is present naturally as rain, and found in rivers, lakes and seas; its solid form is ice and its gaseous form is steam.
(n) :
(uncountable, in particular) The liquid form of this substance: liquid H₂O.