出典:Wiktionary
From Middle English merestone, merestane, from 古期英語 mǣrstān (“boundary-stone”), equivalent to mere (“boundary”) + stone.
merestone (複数形 merestones)
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for merestone in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)