I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English freston, from fre free + stoon, ston stone
1. : a stone (as sandstone or limestone) that may be cut freely in any direction without splitting
2.
[ free (I) + stone ]
a. : a fruit stone to which (as in certain varieties of peach, plum, or cherry) the flesh does not cling
b. : a fruit having such a stone — compare clingstone
3. : a pale orange yellow that is yellower, less strong, and slightly lighter than sunset and yellower and less strong than peachblow — called also Bath stone, Caen stone
II. noun
or freestone water
: water containing little or no dissolved substances (as calcium)