1.  walloon(n = noun.person) - a member of the French-speaking people living in Belgium;
is a kind of belgian
is a member of belgique, belgium, kingdom of belgium

2.  walloon(n = noun.communication) - a dialect of French spoken in Belgium and adjacent parts of France;
is a kind of french

walloon, n. & adj.
--n.
1 a member of a French-speaking people inhabiting S. and E. Belgium and neighbouring France (see also FLEMING).
2 the French dialect spoken by this people.
--adj. of or concerning the Walloons or their language.

Etymology:
F Wallon f. med.L Wallo -onis f. Gmc: cf. WELSH