loud pedal is a noun meaning "a pedal on a piano that lifts the dampers from the strings and so allows them to continue vibrating". It carries one recorded sense.
a pedal on a piano that lifts the dampers from the strings and so allows them to continue vibrating
Definitions, synonyms and semantic relations for loud pedal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.