A pair of two mutually exclusive choices in a dichotomous key.
A pair of one-way streets which carry opposing directions of traffic through gridded urban areas.
A pair of lines, typically with rhyming end words.
One of the constituent items that make up a pair.
A couple of working animals attached to work together, as by a yoke.
A boat for two sweep rowers.
A score of zero runs (a duck) in both innings of a two-innings match.
Used with binary nouns (often in the plural to indicate multiple instances, since such nouns are plural only, except in some technical contexts)
A double play, two outs recorded in one play.
The exclusion of one member of a parliamentary party from a vote, if a member of the other party is absent for important personal reasons.
Two similar or identical things taken together; often followed by of.
Two members of opposite parties or opinion, as in a parliamentary body, who mutually agree not to vote on a given question, or on issues of a party nature during a specified time.
In a mechanism, two elements, or bodies, which are so applied to each other as to mutually constrain relative motion; named in accordance with the motion it permits, as in turning pair, sliding pair, twisting pair.
A doubleheader, two games played on the same day between the same teams
A poker hand that contains two cards of identical rank, which cannot also count as a better hand.
A pair of breasts
A pair of testicles
Two people in a relationship, partnership or friendship.
To engage (oneself) with another of opposite opinions not to vote on a particular question or class of questions.
To group into one or more sets of two.
To bring two (animals, notably dogs) together for mating.
To suit; to fit, as a counterpart.
To come together for mating.
to link two electronic devices wirelessly together, especially through a protocol such as Bluetooth