Broadseals vs Broadseams - What's the difference?

As a verb broadseals

is third-person singular of broadseal.

plural of broadseam.

(head)

(broadseal)

(en verb)

(obsolete, rare, transitive) To stamp with the broad seal; to make sure; to guarantee or warrant.

Thy presence broadseals our delights for pure. — Ben Jonson.

Time has broadsealed his judgment. — John Northern Hilliard.

(Webster 1913)

(head)