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mouth organ

mouth organ

1 5.6
A small flat instrument you play by blowing and drawing air through holes
  • noun
  • /maʊθ ˈɔrɡən/
  • UK
translation icon : armónica
  • Most of my family are quite musical, but I must have been given the short end of that stick; about all I could ever play was my mouth organ.
  • play the mouth organ

Examples

Synonyms

harmonica
vsmouth organ
35 2.9

A small rectangular musical instrument played by blowing or drawing air through holes

is the same instrument but expressed by another name
wind instrument
vsmouth organ
1 3.1

An instrument that makes sound when you blow air through it, like a flute or trumpet

is a small handheld reed model inside that wider instrument family
armonica
vsmouth organ
1 5.6

A small wind instrument you play by blowing and drawing air through reeds

is the same instrument but given a different common name
mouth harp
vsmouth organ
  • US
1 6.3

A small instrument you play by holding it to your mouth and blowing into holes

is the more general common name for that same small instrument
free-reed instrument
vsmouth organ
  • Specialized
7.9

A wind instrument that makes sound when air moves a thin reed, like an accordion or harmonica

is one small rectangular example within that broader reed category

Surface Forms

mouth organ singular
mouth organs plural

Morphology

mouth + organ

The noun-noun compound is compositional: 'organ' signals a musical instrument and 'mouth' specifies that it is played with the mouth, so a learner who knows both words can infer it refers to a musical instrument used with the mouth (i.e., a harmonica). This modifier pattern is common and cross-linguistically plausible, making the meaning directly derivable from the parts.

Etymology

Mouth organ may come from a simple image: mouth, because you play it with your mouth, and organ, because it has many small reeds like a tiny 'organ'. So the name came to mean a small, hand-held instrument you play with your mouth.