{{Short description|Object for sitting on}} {{About||the car manufacturer|SEAT|Other uses}} [[File:Upminster station MMB 02.jpg|thumb|Seats at Upminster station]] A '''seat''' is an object where an individual sits. The term may encompass additional features, such as back, armrest, head restraint but may also refer to concentrations of power in a wider sense (i.e "seat (legal entity)"). See disambiguation.
== Types of seat == {{Further|List of chairs}} The following are examples of different kinds of seat: {{div col|colwidth=30em}} * Armchair, a chair equipped with armrests * Airline seat, for passengers in an aircraft * Bar stool, a high stool used in bars and many houses * Bench, a long hard seat * Bicycle seat, a saddle on a bicycle * Car seat, a seat in an automobile * Cathedra, a seat for a bishop located in a cathedral * Chair, a seat with a back * Chaise longue, a soft chair with leg support * Couch, a long soft seat * Ejection seat, rescue seat in an aircraft * Folding seat * Hard seat * Infant car seat, for a small child in a car * Jump seat, auxiliary seat in a vehicle * Office chair * Pew, a long seat in a church, synagogue, or courtroom * Saddle, a type of seat used on the backs of animals, bicycles, lap etc. * Sliding seat, in a rowing boat * Sofa, alternative name for couch * Stool, a seat with no armrests or back * Throne, a seat for a monarch * Train seat, a seat used in trains * Wheelchair, a movable seat intended for disabled people {{div col end}}
==Etymology== The word seat comes from Middle English ''sete'', Old English ''gesete''/''geseten'' and/or ''sǣte'' seat, ''sittan'' to sit. Possibly related to or cognate with Old Norse ''sæti''. The first known use of the word seat is in the 13th century.<ref>{{cite dictionary| url= http://www.merriam-webster.com/dictionary/seat|title=Seat|dictionary=Merriam Webster|access-date=18 May 2012}}</ref>
==Ergonomics== For someone seated, the 'buttock popliteal' length is the horizontal distance from the rearmost part of the buttocks to the back of the lower leg.<ref name=meachan>{{cite web|url=http://personal.cityu.edu.hk/~meachan/Online%20Anthropometry/Chapter2/Ch2-14.htm|title=Anthropometry|publisher=City University of Hong Kong|access-date=1 September 2018}}</ref> This anthropometric measurement is used to determine seat depth. Mass-produced chairs typically use a depth of {{Convert|15|to|16|in|cm|1}}.<ref name=Ergonomics>{{cite web|url=https://ehs.oregonstate.edu/sites/ehs.oregonstate.edu/files/pdf/ergo/ergonomicsanddesignreferenceguidewhitepaper.pdf|website=www.ehs.oregonstate.edu|title=Ergonomics and Design, a Reference Guide|publisher=Oregon State University|author=Scott Openshaw and Erin Taylor|date=2006|access-date=19 October 2022}}</ref>
==See also== * {{Annotated link|A Taxonomy of Office Chairs}} *Chair *List of chairs *Seating assignment *Seating capacity
==References== {{Reflist}}
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{{Seating}} {{Authority control}}
Category:Seats Category:Furniture