GRIND v. 2 definitions
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.
GRINDSTONE n.
t, 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 gri…
HALO n.
A luminous circle, usually prismatically colored, round the sun or moon, and supposed to be caused by the refraction of light through crystals of ice in the atmosphere. Connected with halos there are often white bands, crosses, or arches, resulting from the same atmospheric conditions.
HARVEST n.
n of man and domestic animals; -- called also harvest louse, and harvest bug. -- Harvest moon, the moon near the full at the time of harvest in England, or about the autumnal equinox, when, by reason of the small angle that is made by the moon's orbit with the horizon, it rises nearly at the same hour for several days…