D defs.my
Entry 1 sense Webster, 1913

Syphering

· Sy·pher·ing · IPA
01 n. The lapping of chamfered edges of planks to make a smooth surface, as for a bulkhead.
  1. 1.
    The lapping of chamfered edges of planks to make a smooth surface, as for a bulkhead.(Carp.)