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hydro-ski
hydro-ski n. 
/ˈhaɪdroʊˌski/ Aeronautics a hydrofoil on a seaplane or amphibious aircraft that skims the surface of the water and provides hydrodynamic lift.
Brit. /ˈhʌɪdrə(ʊ)skiː/
, /ˈhʌɪdrə(ʊ)skiː/U.S. /ˈhaɪdrəˌski/
, /ˈhaɪdrəˌski//ˈhaɪdroʊˌski/ΘΚΠ
society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > hydrofoil on seaplane
hydrofoil1920
hydro-ski1952
1952 Jrnl. Royal Aeronaut. Soc. 56 334/2 Somewhat allied to the hydrofoil is the hydro-ski. These obtain their lift from the water pressure on their lower surface in a similar manner to the planing lift of the [flying] boat planing bottom.
1954 Flight 17 Sept. 433 The Sea Dart hydro-ski fighter..which is land-based, but which uses water (or snow or ice) for take-off and landing.
1960 K. C. Barnaby Basic Naval Archit. (ed. 3) 448 Modifications of the submerged type consist in replacing the forward hydrofoils by partly submerged planing surfaces or ‘hydroskis’.
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