Redundancy affording mutual backup in the event of one system failing.

A device for converting reciprocating motion to rotary motion, used in the first rotative beam engines.

To repeatedly breed from animals of the same stock that are closely related.

(military, also figuratively) A doctrine based on the use of spectacular displays of force.

(military, also figuratively) To utilize the "shock and awe" doctrine in an actual or potential conflict, or to otherwise utilize a spectacular display of force or authority.

Alternative form of free and easy

Alternative form of free and easy

(informal) Happy, positive things, sometimes with a connotation of unrealistic expectations.

(sports) A long punt.

An Irish stew made from pork and pork kidneys.