countersign

About 0.08 uses per million words.

Meaning

1. noun A second signature added to a document to affirm the validity of the signature of the first person.
2. noun The response to a sign or signal.

   Only those who give the countersign may enter the Masonic Lodge.

3. verb To sign on the opposite side of (a document).
4. verb To add a second signature to a document, affirming the validity of the signature of another person.

Similar words

watchword parole password word ratify endorse ratifying consignature signatary countermark

Often followed by

the all of and to it was is a

Word family

countersignature countersignatures countersigned countersigning countersigns