From Longman Dictionary of Contemporary Englishinkwellink‧well /ˈɪŋk-wel/ noun [countable] DHHa container for ink which fits into a hole in a desk
Examples from the Corpus
inkwell• It must have looked like an inkwell.• The Swan fountain pen and inkwell are filled from a large blue bottle of Stephens's ink.• They set him to running errands, storing and fetching account books, making sure the inkwells were filled.• The inkwell is the first signed piece to be discovered. 