a. Obs. [f. med.L. clāvellāt-us (cineres clavellati, clavati, Du Cange), OF. clavelée, in cendre clavelée, mod.F. cendre gravelée, lit. ‘granulated ashes,’ which Littré takes as the proper form: but on phonetic grounds this is doubtful.]
1. in Clavellated Ashes: ‘Potash of superior quality obtained from the dried and calcined lees of wine, for the use of dyers’ (Godefroy).
1660. trans. Paracelsus’ Archidoxis, II. 58–9. Of the Alkali of the Ashes … we make a clavellated gnawing Salt.
1683. Salmon, Doron Med., II. 504. Clavellated or gravelled Ashes, are nothing else but the Calx of the Lees of Wine, [etc.].
1733. Arbuthnot, Ess. Effects Air, iii. 66 (J.). Air transmitted through clavellated Ashes into an exhausted Receiver, loses Weight.
2. [as from clāva club] Shaped like a little club.
1713. Derham, Phys.-Theol., VIII. iv. 402. The lamellated Antennæ of some, the clavellated of others.
