Gas"ket (?), n. [Cf. F. garcette, It. gaschetta, Sp. cajeta caburn, garceta reef point.]
A line or band used to lash a furled sail securely. Sea gaskets are common lines; harbor gaskets are plaited and decorated lines or bands. Called also casket.
2. Mech. (a)
The plaited hemp used for packing a piston, as of the steam engine and its pumps.
Any ring or washer of packing.
© Webster 1913.