(cricket) the session of a day's play between tea and close of play

(databases) A stage in the normalization of a relational database in which a database is in second normal form and all non-key attributes are mutually independent (no transient dependencies.)

(informal) Intensive rough interrogation in order to extract information or a confession

A stream formed by the confluence of two second order streams, or of a second order stream and a third order stream.

(UK, military, nautical, historical) Of a Royal Navy ship of the line in the Napoleonic Era: having 64–80 guns across two gun decks, a complement of 500–650, and weighing approximately 1,750 tons burthen.

(UK, military, nautical, historical) A third-rate ship of the line.

(US) A reduced-rate mail service for printed matter. / (Britain, historical) The cheapest accommodation on a train or ship.

the quality, of depth or thickness, that differentiates a solid object from a two-dimensional image of it

(business, commerce) Someone not directly involved in a transaction; an entity beyond the seller (first party) and customer (second party).

(video games) A combat-themed video game of a kind with a perspective view, typically positioning the camera over the shoulder of the player.