Dahl and Red gram

Dahl noun - Tropical woody herb with showy yellow flowers and flat pods; much cultivated in the tropics.

Red gram is a synonym for dahl. In some cases you can use "Red gram" instead a noun "Dahl".

Red gram noun - Tropical woody herb with showy yellow flowers and flat pods; much cultivated in the tropics.

Dahl is a synonym for red gram. You can use "Dahl" instead a noun phrase "Red gram".