tank used for collecting and storing a liquid (as water or oil)
lake used to store water for community use
anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies; "an infectious agent depends on a reservoir for its survival"
a large or extra supply of something; "a reservoir of talent"
(in an election with more than 2 options) the number of votes for the candidate or party receiving the greatest number (but less that half of the votes)
the state of being plural; "to mark plurality, one language may add an extra syllable to the word whereas another may simply change the vowel in the existing final syllable"
a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined