Snape

·vt To bevel the end of a timber to fit against an inclined surface.

snape
to snape or sneap, to check ; as, childre" easily sneaped ; herbs and fruit sneaped with cold weathe...

A glossary of provincial and local words used in England by Francis Grose
snape, to
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