DROWNPROOF
Meaning of DROWNPROOF in English
/drown"proohf'/ , v.t.
to teach (a person) the technique of drownproofing.
[ 1975-80; back formation from DROWNPROOFING ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012