passage-board
noun
A board placed between the parts of an organ to make them accessible for tuning or repairs.
Origin
Late 19th century.
- astrantia
- a straw in the wind
- astray
- astride
- astringency
- astringent
- astringently
- astro-
- astro-archaeologist
- astro-archaeology
- astrobiological
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- astrocyte
- astrocytic