A hypothetical planet sharing an orbit with the earth, but on the opposite side of the sun.

simple past tense of run counter

Third-person singular simple present indicative form of run counter

present participle of run counter

plural of counter-roll

(UK, law, obsolete) A duplicate roll (record or account) kept by an officer as a check upon another officer's roll.

Alternative form of counterproposal

An attack made in response to a previous offensive, and intended to stop it.

Being or relating to an attack in response to a previous offensive, and intended to stop it.

(heraldry) A tincture consisting of a black background with ermine shapes in white