1. Plural of pianola; mechanical pianos that play music from perforated paper rolls without requiring a human player.
Usage: Pianola is a trademark name that became genericized in some contexts.; Historical/vintage musical instrument.

Examples

• The antique shop displayed several restored pianolas from the early 1900s.
• Pianolas were popular in homes before electronic music became widespread.
• She collected vintage pianolas and had them refurbished by a specialist.
• The museum's collection includes three working pianolas with original paper rolls.
• Pianolas required careful maintenance to keep the mechanical components functioning properly.