lavatory

noun

lav·​a·​to·​ry ˈla-və-ˌtȯr-ē How to pronounce lavatory (audio)
British -və-t(ə-)rē
plural lavatories
Synonyms of lavatorynext
1
: a vessel (such as a basin) for washing
especially : a fixed bowl or basin with running water and drainpipe for washing
2
: a room with conveniences for washing and usually with one or more toilets
the airplane's lavatory
3
lavatory adjective

Examples of lavatory in a Sentence

a wide choice of lavatories on sale at plumbing supply stores the school's filthy, broken-down lavatories were a disgrace
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Other flight attendants and several passengers who did not have seatbelts on also hit the ceiling, including a baby being held on a lap and someone in the lavatory. Aaron Cooper, CNN Money, 11 Feb. 2026 As previously reported, the Vacuum, Collection, Holding and Transfer system has been prone to clogging, leaving all of the carrier's lavatories out of service at the same time! Peter Suciu, Forbes.com, 21 Jan. 2026 This is reflected by there being only one lavatory containing two cubicles near the Diet's main plenary session hall for the 73 women elected to the lower house, according to the petition. CBS News, 31 Dec. 2025 Window seats in the front half of the plane are preferred for quicker boarding and deplaning, while spots near the galley or lavatory are best avoided. Alesandra Dubin, Southern Living, 16 Dec. 2025 See All Example Sentences for lavatory

Word History

Etymology

Middle English lavatorie, from Medieval Latin lavatorium, from Latin lavare to wash — more at lye

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of lavatory was in the 14th century

Browse Nearby Words

Cite this Entry

“Lavatory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lavatory. Accessed 14 Feb. 2026.

Kids Definition

lavatory

noun
lav·​a·​to·​ry ˈlav-ə-ˌtōr-ē How to pronounce lavatory (audio)
-ˌtȯr-
plural lavatories
1
: a basin for washing
especially : a small sink with running water and drainpipe
2
: a room with lavatories and usually with toilets
3
Etymology

Middle English lavatorie "basin for washing," from Latin lavatorium (same meaning), derived from earlier lavare "to wash" — related to laundry, lavish, lotion

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