accordion
/əˈkɔ(ɹ).diˌən/noun
Elementary
1
A box-shaped musical instrument played by compressing or expanding its bellows while pressing its buttons or its keys, causing pallets to open, which allow air to flow across strips of brass or steel (reeds).
2
A vertical list of items that can be individually expanded and collapsed to reveal their contents.
3
Something, or set of things (concepts, etc), which can be expanded (or extended) and collapsed, like the musical instrument's pleated, folding bellows.
Sound Patterns & Rhymes
Alliteration
Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)
Assonance
Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing