English-Thai Dictionary
grindstone
N หิน ลับ ให้ คม rubstone whetstone hin-lab-hai-kom
Webster's 1828 Dictionary
GRINDSTONE
n.A sandstone used for grinding or sharpening tools. Stone, used by old writers, is obsolete.
Webster's 1913 Dictionary
GRINDSTONE
GRINDSTONE Grind "stone `, n.
Defn: A flat, circular stone, revolving on an axle, for grinding or sharpening tools, or shaping or smoothing objects. To hold, pat, or bring one's nose to the grindstone, to oppress one; to keep one in a condition of servitude. They might be ashamed, for lack of courage, to suffer the Lacedæmonians to hold their noses to the grindstone. Sir T. North.
New American Oxford Dictionary
grindstone
grind stone |ˈgrīndˌstōn ˈɡraɪn (d )ˌstoʊn | ▶noun a thick disk of stone or other abrasive material mounted so as to revolve, used for grinding, sharpening, or polishing metal objects. • rare another term for millstone. PHRASES keep one's nose to the grindstone work hard and continuously.
Oxford Dictionary
grindstone
grind |stone |ˈgrʌɪn (d )stəʊn | ▶noun a thick disc of stone or other abrasive material mounted so as to revolve, used for grinding, sharpening, or polishing metal objects. • rare another term for millstone. PHRASES keep one's nose to the grindstone work hard and continuously.
Sanseido Wisdom Dictionary
grindstone
gr í nd st ò ne 名詞 C 回転砥 （と ） 石 .k è ep one's [h à ve A's ] n ó se to the gr í ndstone ｟くだけて ｠あくせく働く [Aをこき使う ].
The Wordsmith Dictionary