We don't have synonyms for calcedon yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are macedon, calcedony and calced.
(n) :
The bass lute, an instrument used by baroque composers (notably Telemann).
(n) :
(dated) Any common mineral, such as chalcedony or calcite, that is found as an intrusion or vein in another stone, especially in a precious stone.
(n) :
The bass lute, an instrument used by baroque composers (notably Telemann).
(n) :
(dated) Any common mineral, such as chalcedony or calcite, that is found as an intrusion or vein in another stone, especially in a precious stone.