v. t. To stamp with the broad seal; to make sure; to guarantee or warrant. [ Obs. ] [ 1913 Webster ]
Thy presence broadseals our delights for pure. B. Jonson. [ 1913 Webster ]
n.
a. Widespread. [ 1913 Webster ]
a. Spreading widely. [ 1913 Webster ]
n. A sword with a broad blade and a cutting edge; a claymore. [ 1913 Webster ]
I heard the broadsword's deadly clang. Sir W. Scott. [ 1913 Webster ]