Definition from Wiktionary, the free dictionary
armchair (plural armchairs)
- A chair with supports for the arms or elbows.
1918, W. B. Maxwell, chapter 12, The Mirror and the Lamp:
- There were many wooden chairs for the bulk of his visitors, and two wicker armchairs with red cloth cushions for superior people. From the packing-cases had emerged some Indian clubs, […], and all these articles […] made a scattered and untidy decoration that Mrs. Clough assiduously dusted and greatly cherished.
- 1928: A. A. Milne, The House at Pooh Corner
- […] when he suddenly saw Piglet sitting in his best armchair he could only stand there rubbing his head and wondering whose house he was in.
a chair with supports for the arms or elbows
- (figuratively) Remote from actual involvement, including a person retired from previously active involvement.
- These days I'm an armchair detective.
- (figuratively) Unqualified or uninformed but yet giving advice, especially on technical issues, such as law, architecture, medicine, military theory, or sports.