To ride on a pillion. / To put a pillion on a horse.

Britain standard spelling of copilot.

Britain standard spelling of copilot.

(architecture) A large post, often used as supporting architecture. / Something resembling such a structure. / (figuratively) An essential part of something that provides support.

To provide with pillars or added strength as if from pillars.

Any of various small oily fish related to herrings, family Clupeidae.

One who travels, especially on a journey to visit sites of religious significance. / (slang) A newcomer.

(intransitive) To journey; to wander; to ramble.

(transitive, intransitive) To loot or plunder by force, especially in time of war.

The spoils of war. / The act of pillaging.