challenge and countersign

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• countersign — A secret challenge and its reply. See also challenge; password …   Military dictionary

• Challenge — Chal lenge, n. [OE. chalenge claim, accusation, challenge, OF. chalenge, chalonge, claim, accusation, contest, fr. L. calumnia false accusation, chicanery. See {Calumny}.] 1. An invitation to engage in a contest or controversy of any kind; a… …   The Collaborative International Dictionary of English

• Challenge to the array — Challenge Chal lenge, n. [OE. chalenge claim, accusation, challenge, OF. chalenge, chalonge, claim, accusation, contest, fr. L. calumnia false accusation, chicanery. See {Calumny}.] 1. An invitation to engage in a contest or controversy of any… …   The Collaborative International Dictionary of English

• Challenge to the favor — Challenge Chal lenge, n. [OE. chalenge claim, accusation, challenge, OF. chalenge, chalonge, claim, accusation, contest, fr. L. calumnia false accusation, chicanery. See {Calumny}.] 1. An invitation to engage in a contest or controversy of any… …   The Collaborative International Dictionary of English

• Challenge to the polls — Challenge Chal lenge, n. [OE. chalenge claim, accusation, challenge, OF. chalenge, chalonge, claim, accusation, contest, fr. L. calumnia false accusation, chicanery. See {Calumny}.] 1. An invitation to engage in a contest or controversy of any… …   The Collaborative International Dictionary of English

• Challenge — Chal lenge, v. t. [imp. & p. p. {Challenged}; p. pr. & vb. n. {Challenging}.] [OE. chalengen to accuse, claim, OF. chalengier, chalongier, to claim, accuse, dispute, fr. L. calumniar to attack with false accusations. See {Challenge}, n., and cf.… …   The Collaborative International Dictionary of English

• Countersign (military) — In military terminology, a countersign is a sign, word, or any other signal previously agreed upon and required to be exchanged between a sentry or guard and anybody approaching his or her post. The term usually encompasses both the sign given by …   Wikipedia

• challenge — challengeable, adj. /chal inj/, n., v., challenged, challenging, adj. n. 1. a call or summons to engage in any contest, as of skill, strength, etc. 2. something that by its nature or character serves as a call to battle, contest, special effort,… …   Universalium

• challenge — chal•lenge [[t]ˈtʃæl ɪndʒ[/t]] n. v. lenged, leng•ing 1) a summons to engage in contest, as of skill or strength 2) something that by its nature or character serves as a serious test: Space exploration offers a challenge to humankind[/ex] 3) a… …   From formal English to slang

• Peremptory challenge — Challenge Chal lenge, n. [OE. chalenge claim, accusation, challenge, OF. chalenge, chalonge, claim, accusation, contest, fr. L. calumnia false accusation, chicanery. See {Calumny}.] 1. An invitation to engage in a contest or controversy of any… …   The Collaborative International Dictionary of English

• Principal challenge — Challenge Chal lenge, n. [OE. chalenge claim, accusation, challenge, OF. chalenge, chalonge, claim, accusation, contest, fr. L. calumnia false accusation, chicanery. See {Calumny}.] 1. An invitation to engage in a contest or controversy of any… …   The Collaborative International Dictionary of English