The definition of a roomer is someone who rents a room in a house.
An example of a roomer is the student who rents a room in your house.
A person who rents a room or rooms to live in; lodger.
One who rents a room or rooms in which to live; a lodger.
(obsolete) At a greater distance; farther off.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.