1) Very dry 2) Very thirsty 
Having zero percent moisture content. Wood heated in an oven at a constant temperature of 212 degrees F or above until its weight stabilises is considered bone dry or oven dry. ... (05 Dec 1998) ... 
Translations for „bone dry“ Become a Premium Member today! Designation (also dust-dry) for an extremely dry wine almost without residual sugar; see also under extra dry and dusty.
Unfired clay which is warm (not cool or damp), dry, and dusty/chalky in feel. Ceramic ware needs to be bone dry prior to buique firing whereby the physical (free) water has evaporated.
(oven dry) Having 0% moisture content. Wood heated in an oven at a constant temperature of 212 degrees F or above until its weight stabilizes is considered bone dry or oven dry.
very dry. · very thirsty. · dry (def. 17). · (of clay) thoroughly dried.
Completely air dried.