2. A brindled color; also, that which is brindled. [ 1913 Webster ]

2. Any severe continuous work or occupation; esp., hard and uninteresting study. [ Colloq. ] T. Hughes. [ 1913 Webster ]

3. A student that studies hard; a dig; a wonk. [ College Slang ] [ 1913 Webster +PJC ]

Take the millstones, and grind meal. Is. xivii. 2. [ 1913 Webster ]

2. To wear down, polish, or sharpen, by friction; to make smooth, sharp, or pointed; to whet, as a knife or drill; to rub against one another, as teeth, etc. [ 1913 Webster ]

3. To oppress by severe exactions; to harass. [ 1913 Webster ]

To grind the subject or defraud the prince. Dryden. [ 1913 Webster ]

4. To study hard for examination; -- commonly used with away; as, to grind away at one's studies. [ College Slang ] [ 1913 Webster ]

Send thee
Into the common prison, there to grind. Milton. [ 1913 Webster ]

2. To become ground or pulverized by friction; as, this corn grinds well. [ 1913 Webster ]

3. To become polished or sharpened by friction; as, glass grinds smooth; steel grinds to a sharp edge. [ 1913 Webster ]

4. To move with much difficulty or friction; to grate. [ 1913 Webster ]

5. To perform hard and distasteful service; to drudge; to study hard, as for an examination. Farrar. [ 1913 Webster ]

2. One of the double teeth, used to grind or masticate the food; a molar. [ 1913 Webster ]

3. (Zool.) The restless flycatcher (Seisura inquieta) of Australia; -- called also restless thrush and volatile thrush. It makes a noise like a scissors grinder, to which the name alludes.

4. A submarine sandwich. [ local, U.S. ]
Syn. -- submarine, hoagie. [ PJC ]

Grinder's asthma,
Grinder's phthisis, or
Grinder's rot (Med.), a lung disease produced by the mechanical irritation of the particles of steel and stone given off in the operation of grinding. [ 1913 Webster ]

Grindery warehouse, a shop where leather workers' materials and tools are kept on sale. [ Eng. ] [ 1913 Webster ]

Grinding frame, an English name for a cotton spinning machine. --
Grinding mill. (a) A mill for grinding grain. (b) A lapidary's lathe. [ 1913 Webster ]

To hold one's nose to the grindstone,
To bring one's nose to the grindstone, to oppress one; to keep one in a condition of servitude. --
To put one's nose to the grindstone (a) to oppress one; to cause one to work hard and steadily. (b) to set oneself to a long and arduous task. --
To keep one's nose to the grindstone to continue at a long and arduous task; to apply oneself steadily to one's duties. [ 1913 Webster +PJC ]

They might be ashamed, for lack of courage, to suffer the Lacedæmonians to hold their noses to the grindstone. Sir T. North. [ 1913 Webster ]

Thou canst not touch the freedom of my mind
With all thy charms, although this corporal rind
Thou hast immanacled. Milton. [ 1913 Webster ]

Sweetest nut hath sourest rind. Shak. [ 1913 Webster ]

Long custom of sinning superinduces upon the soul new and absurd desires. South. [ 1913 Webster ]

2. One of the preserved seed pods of the tamarind, which contain an acid pulp, and are used medicinally and for preparing a pleasant drink. [ 1913 Webster ]

Tamarind fish, a preparation of a variety of East Indian fish with the acid pulp of the tamarind fruit. --
Velvet tamarind. (a) A West African leguminous tree (Codarium acutifolium). (b) One of the small black velvety pods, which are used for food in Sierra Leone. --
Wild tamarind (Bot.), a name given to certain trees somewhat resembling the tamarind, as the Lysiloma latisiliqua of Southern Florida, and the Pithecolobium filicifolium of the West Indies. [ 1913 Webster ]