1. Plural of armonica; a musical instrument consisting of a series of glass bowls or hemispheres of graduated sizes mounted on a spindle and played by touching the rims with wet fingers.
Usage: Also called glass armonica or musical glasses.; Invented in the 18th century; associated with Benjamin Franklin.

Examples

• The museum displayed several antique armonicas from the 1700s.
• She performed a haunting melody on the armonicas at the concert.
• Benjamin Franklin's armonicas became popular in European salons.
• The ethereal sound of armonicas filled the concert hall.
• Musicians trained for years to master playing the armonicas.