1) Apa 
Wallaba is a spider genus of the Salticidae family (jumping spiders) that occurs in the West Indies and Guyana. ...
• (n.) A leguminous tree (Eperua falcata) of Demerara, with pinnate leaves and clusters of red flowers. The reddish brown wood is used for palings and shingles.
Wal'la·ba noun (Botany) A leguminous tree ( Eperua falcata ) of Demerara, with pinnate leaves and clusters of red flowers. The reddish brown wood is used for palings and shingles. J. Smith (Dict. Econ. Plants).