Public Works and Government Services Canada
Symbol of the Government of Canada

Institutional Links

Search TERMIUM Plus®
To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

legionnaire, Legionnaires’ disease

In general, use lower case for a member of a legion, such as the Royal Canadian Legion.

  • The legionnaires paraded on Remembrance Day.

In American texts, the L is usually capitalized in the name Legionnaires’ disease. However, lower case is often used in Canada and Britain. Note the apostrophe at the end of Legionnaires’.

  • The first recognized cases of Legionnaires’ disease occurred in Philadelphia.
  • An outbreak of legionnaires’ disease claimed two lives recently in Quebec.