0 a small sausage, served hot or cold as a snack (= a small amount of food that is eaten between meals), especially at a party: --
I'm going to need more than a few cocktail sausages to fill my stomach.
The cocktail sausages looked grey which was not very appealing.
There is something irresistible about cocktail sausages and mini rolls.
There were cocktail sausages on a stick, pickled onions, cheese sandwiches, and a couple of dozen sausage rolls.