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}, {Cajanus cajan}] 2: small highly nutritious seed of the tropical pigeon-pea plant [syn: {cajan pea}, {pigeon pea}]