| Word | Definitions | Synonyms |
|---|---|---|
| concerto | (noun) a composition for orchestra and a soloist | - |
| hitherto | (adverb) used in negative statement to describe a situation that has existed up to this point or up to the present time | Synonyms: as yet, heretofore, so far, thus far, til now, until now, up to now, yet |
| quarto | (noun) the size of a book whose pages are made by folding a sheet of paper twice to form four leaves | Synonyms: 4to |