(colloquial) Used before a plural noun to form a compound noun having the sense of: the greatest or largest of (its kind); the most epic example of (its kind).

(idiomatic) Facing a choice between two equally undesirable alternatives.

(simile, colloquial) Very strongly; very heavily; often unexpectedly.

(anatomy) A muscular valve that controls the flow of digestive juices (bile and pancreatic juice) through the ampulla of Vater into the second part of the duodenum.

A popular music production technique, developed in the 1960s, in which a number of musicians perform the same instruments or parts in unison and the resulting sound is re-recorded in an echo chamber.

Whenever a person is joking, they are actually disguising thoughts and emotions, either subconsciously or deliberately.

(UK, derogatory, as a gesture) A disrespectful gesture; a snook.

plural of minute of angle

It is not possible to produce something refined, admirable, or valuable from something which is unrefined, unpleasant, or of little or no value.

present participle of catch sight of