noun
plural -ters
[count] :a person whose job is to carry bags or luggage at a hotel, airport, etc.
[count] US :a person whose job is to help passengers on a train
[count] Brit :a person whose job is to let people into a hotel, college, hospital, etc.
[count] Brit :a person whose job is to move patients from one part of a hospital to another
[count, noncount] :a heavy, dark brown beer