Clambake and Main part

Clambake noun - A cookout at the seashore where clams and fish and other foods are cooked--usually on heated stones covered with seaweed.

Main part and clambake are semantically related. In some cases you can use "Main part" instead a noun "Clambake".

Clambake and main part are semantically related. Sometimes you can use "Clambake" instead a noun phrase "Main part".