Among old salts may be termed a curt or nicked form of forecastle.
·noun A young herring. II. Sill ·noun The shaft or thill of a carriage. III. Sill ·noun The floor ...
Webster's Dictionary of the English Language
threshold, called also groundsill, in divers counties. ...
A glossary of provincial and local words used in England by Francis Grose
A northern term for the young of a herring. ...
The Sailor's Word-Book
the threshold of a door. C. Ground ivy. ...
The lockage of a flood-gate. ...
The timber at the base against which the gates shut; and the depth of water which will float a vesse...