Po·a n. Bot. A genus of grasses, including a great number of species, as the kinds called meadow grass, Kentucky blue grass, June grass, and spear grass (which see).
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Spear n.
1. A long, pointed weapon, used in war and hunting, by thrusting or throwing; a weapon with a long shaft and a sharp head or blade; a lance.
Note: [See Illust. of Spearhead.] “A sharp ground spear.”
They shall beat their swords into plowshares, and their spears into pruning hooks. --Micah iv. 3.
2. Fig.: A spearman.
3. A sharp-pointed instrument with barbs, used for stabbing fish and other animals.
4. A shoot, as of grass; a spire.
5. The feather of a horse. See Feather, n., 4.
6. The rod to which the bucket, or plunger, of a pump is attached; a pump rod.
Spear foot, the off hind foot of a horse.
Spear grass. Bot. (a) The common reed. See Reed, n., 1. (b) meadow grass. See under Meadow.
Spear hand, the hand in which a horseman holds a spear; the right hand. --Crabb.
Spear side, the male line of a family. --Lowell.
Spear thistle Bot., the common thistle (Cnicus lanceolatus).