Gus"set (?), n. [F. gousset armpit, fob, gusset, dim. of gousse pod, husk; cf. It. guscio shell, or W. cwysed gore, gusset.]
A small piece of cloth inserted in a garment, for the purpose of strengthening some part or giving it a tapering enlargement.
Seam and gusset and band.
Anything resembling a gusset in a garment
; as: (a) Armor
A small piece of chain mail at the openings of the joints beneath the arms
. (b) Mach.
A kind of bracket, or angular piece of iron, fastened in the angles of a structure to give strength or stiffness; esp., the part joining the barrel and the fire box of a locomotive boiler.
An abatement or mark of dishonor in a coat of arms, resembling a gusset.
© Webster 1913.