walloons, n. pl. [Cf. F. wallon.].
A Romanic people inhabiting that part of Belgium which comprises the provinces of Hainaut, Namur, Liége, and Luxembourg, and about one third of Brabant; also, the language spoken by this people. Used also adjectively. Shak. [1913 Webster]
Walloon guard, the bodyguard of the Spanish monarch; -- so called because formerly consisting of Walloons.