steam·er 
/ˈsti:mɚ/ noun
plural steam·ers /ˈsti:mɚ/ noun [count] 1 : a container in which food is cooked with steam 2 : a boat or ship that is powered by steam
▪ We rode a steamer down the Mississippi. 3 US : a type of clam that has a thin shell and that is often cooked by being steamed
▪ We rode a steamer down the Mississippi.
