(informal) Someone who looks things up

(rugby, dated) Ruck.

(historical) A con game played with a chain, belt or string that is laid down to form two open loops. The mark places a finger or stick in one of the loops to try and secure (fast) the chain when it gets lifted, but either loop can fast or fail to fast (loose) the chain around the mark's finger/stick depending on where the con artist decides to lift the chain.

A device comprising two magnetic coils with axes set at right angles to each other. When an electromagnetic signal induces voltages in the coils, the ratio of voltage induced in one compared to the other provides information about the direction of the signal source relative to the device.

(grammar) A syntactic construction which uses the past participle, inflected in the ablative case, without an auxiliary verb yet not as an adjective, but silently supposing a verb to depend upon.

Third-person singular simple present indicative form of look up

present participle of look up

A sexually promiscuous woman; a prostitute.

(idiomatic) A quick glance. / (idiomatic) A brief visit. / (idiomatic, UK) A chance to participate, compete, or succeed.

Coins of little value kept in one's pocket or bag. / (idiomatic) A sum of money considered small or insignificant.