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Webster 1913 Edition

Undam

Un-dam′

,

Verb.

T.

[1st pref.

un-

+

dam

.]

To free from a dam, mound, or other obstruction.

Dryden.

Webster 1828 Edition

Undam

UNDAM'

,

Verb.

T.

To free from a dam, mound or obstruction.