Mayonnaise is an emulsion where egg is used to keep oil and water mixed.

The president rides adjacent to, and to the right side of, the road captain. The 'prez' and 'captain' are followed by the other members of the executive. Next in the column ride the rest of the patch holders, followed by the strikers, friends of the club, and assorted guests. At the rear of the column ride the two assistant road captains.

Here it seems natural to pay attention to some North-east Zealandic names ending in -rum, viz. Wigarum, AEsarum (and Niartherum ?).

[T]he owners of Doddington Hall, in Lincolnshire, have brought the folly into the 21st century, by building a 30ft pyramid in the grounds of the Elizabethan manor.