(obsolete) A vessel resembling a retort bulb or Florence flask with a truncated neck and flared mouth, used by medieval doctors and alchemists.
Make a good lute... and þerwiþ daub þi Iordan al aboute... and putte al þi mater in þe Iordan and hange it ouer þe fier by þe necke þᵗ þe glas be almoost an hond brede fro þe coolis.
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