to snape or sneap, to check ; as, childre" easily sneaped ; herbs and fruit sneaped with cold weather. It is a general word used all over England.
·vt To bevel the end of a timber to fit against an inclined surface. ...
Webster's Dictionary of the English Language
In ship-carpentry, is to hance or bevel the end of anything, so as to fay upon an inclined plane: it...
The Sailor's Word-Book