2Sport (originally Baseball) a team having the lowest ranking (or among the lowest rankings) in a league or other grouping; frequently in plural; also in extended use.
Origin
Mid 19th century; earliest use found in The Westminster Review.
Definition of cellar-dweller in US English:
cellar-dweller
noun
1A person who lives in a cellar (now rare).
2Sport (originally Baseball) a team having the lowest ranking (or among the lowest rankings) in a league or other grouping; frequently in plural; also in extended use.
Origin
Mid 19th century; earliest use found in The Westminster Review.