noun. A chair with side structures to support the arms or elbows.

adjective. Not actively involved in or responsible for something, while nonetheless inclined to offer opinions or advice.

adjective. Taking part vicariously, as through reading.

noun. A chair with arms to support the elbows.

In one's arm-chair; seated comfortably at home; fireside; hence, theoretical, not practical: as, arm-chair geographers.

noun. A chair with arms to support the elbows or forearms.

noun. A chair with supports for the arms or elbows.

adjective. Remote from actual involvement, including a person retired from previously active involvement.

adjective. Unqualified or uninformed but yet giving advice, especially on technical issues, such as law, architecture, medicine, military theory, or sports.

noun. chair with a support on each side for arms