Difference between Sofa and Chair

Sofa

Part of speech: noun

Definition: An upholstered seat, typically having sides and back, long enough to accommodate two or more people.

Chair

Part of speech: noun

Definition: An item of furniture used to sit on or in comprising a seat, legs, back, and sometimes arm rests, for use by one person. Compare stool, couch, sofa, settee, loveseat and bench.The electric chair.The seating position of a particular musician in an orchestra.Blocks that support and hold railroad track in position, and similar devices.Chairperson; a non-gender-specific form of chairman.One of two possible conformers of cyclohexane rings (the other being boat), shaped roughly like a chair.

Part of speech: verb

Definition: To act as chairperson.To carry someone in a seated position upon one's shoulders, especially in celebration or victory