relating to the back benches in parliament / Pertaining to the preparation of a donor organ prior to transplantation. / Secondary or inactive.

(politics, UK, New Zealand, often attributive) In a house of legislature following the model of the Westminster system (such as the UK House of Commons), any bench behind either of the front benches and occupied by rank-and-file members.

Alternative form of wacky tobaccy

(idiomatic) To adopt a position of noninvolvement. / (idiomatic) To be second to someone or something; to be less important or have a lower priority.

back to fundamental principles

(politics, chiefly Britain) A conscious return to principles such as self-respect, decency and honesty; especially the discredited policy of the Conservative government in the 1990s.

The retail facility whereby a customer may withdraw an amount of cash when making a purchase with a credit card or debit card, the amount being added to the bill.

(chiefly Britain, Ireland and Australia, informal, with "the"; usually with "in", sometimes "at" or "to") A very remote place.

A three- to four-year (about 120 credit hours) undergraduate degree, with a concentration in the sciences or scientific applications.

simple past tense and past participle of back