pool

(noun) an excavation that is (usually) filled with water.

(noun) a small lake. Synonyms: pond. Example: "The pond was too small for sailing."

(noun) an organization of people or resources that can be shared. Examples: "A car pool." "A secretarial pool." "When he was first hired he was assigned to the pool."

(noun) an association of companies for some definite purpose. Synonyms: consortium, syndicate.

(noun) any communal combination of funds. Example: "Everyone contributed to the pool."

(noun) a small body of standing water (rainwater) or other liquid. Synonyms: puddle. Examples: "There were puddles of muddy water in the road after the rain." "The body lay in a pool of blood."

(noun) the combined stakes of the betters. Synonyms: kitty.

(noun) something resembling a pool of liquid. Synonyms: puddle. Examples: "He stood in a pool of light." "His chair sat in a puddle of books and magazines."

(noun) any of various games played on a pool table having 6 pockets. Synonyms: pocket billiards.

(verb) combine into a common fund. Example: "We pooled resources."

(verb) join or form a pool of people.