countersign

(noun, verb)

noun

1. a secret word or phrase known only to a restricted group

Similar word(s): parole, password, watchword, word

Definition categories: communication, arcanum, secret

2. a second confirming signature endorsing a document already signed

Similar word(s): countersignature

Definition categories: communication, signature

Sentences with countersign as a noun:

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

verb

1. add one's signature to after another's to attest authenticity

- You must countersign on this line of the contract

Definition categories: communication, sign