MULTISYL'LABLE, noun A word of many syllables; a polysyllable. [The latter is mostly used.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI
multisyllable
Founding-era definition · Webster's 1828 American Dictionary
More founding-era words: liberty · virtue · republic · justice · providence · commerce · militia · arms · prudence · establishment · religion · usurpation · tyranny · citizen · unalienable · sovereign