WordNet (r) 3.0 (2006):

dahl
    n 1: tropical woody herb with showy yellow flowers and flat
         pods; much cultivated in the tropics [syn: pigeon pea,
         pigeon-pea plant, cajan pea, catjang pea, red gram,
         dhal, dahl, Cajanus cajan]
    2: small highly nutritious seed of the tropical pigeon-pea plant
       [syn: cajan pea, pigeon pea, dahl]