What does reservatory mean?
Reservatory means a reservoir or a container in which water or another liquid is stored. Its clearest modern use is for a natural or constructed place that collects and retains water, such as a mountain basin, cistern, or old storage tank. The word has a formal, old-fashioned tone, and most contemporary speakers use reservoir instead. As an adjective, reservatory describes something that serves as a reservoir, though this use is now largely archaic. The term belongs to the same Latin-derived family as reservoir, reservation, reserved, and preserve, reflecting the broader idea of keeping something back or holding it in reserve. Although uncommon in everyday speech, reservatory can be useful in historical, geographical, architectural, or environmental descriptions where its distinctive formation and emphasis on storage are appropriate.
A reservoir or storage container, especially one used to collect and hold water.
"The reservoir's overflow feeds a stone reservatory beside the river."
Rare and somewhat archaic in modern English; reservoir is the usual neutral term.
Serving as or constituting a reservoir.
"Water gathered in the reservatory basin during the spring thaw."
Chiefly archaic and much less common than the noun.
The regular plural is used for separate reservoirs or storage structures.
"Several small reservatories were built along the hillside."
Reservatory is the old-fashioned, literary cousin of reservoir: a place set aside for keeping something in reserve.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does reservatory come from?
Reservatory derives from Medieval Latin reservatorium, a word associated with reservāre, meaning “to keep back” or “to save.” English borrowed the term for a place where water or other resources were stored. It belongs to the same Latin-based family as reservoir, reservation, reserved, and preserve.
How reservatory is actually used
The noun is rare in modern English and has a formal or archaic character; reservoir is normally preferred. The adjective is especially archaic.
Easily confused with reservatory
A reservoir is the standard modern term, whereas reservatory is a rare or archaic word with the same basic meaning.