weed

1. Any plant regarded as unwanted at the place where, and at the time when it is growing.

   If it isn't in a straight line or marked with a label, it's a weed.

2. Short for duckweed.
3. Underbrush; low shrubs.
4. A drug or the like made from the leaves of a plant.
5. A weak horse, which is therefore unfit to breed from.
6. A puny person; one who has little physical strength.
7. Something unprofitable or troublesome; anything useless.

1. To remove unwanted vegetation from a cultivated area.

   I weeded my flower bed.

1. A garment or piece of clothing.
2. Clothing collectively; clothes, dress.
3. An article of dress worn in token of grief; a mourning garment or badge.

   He wore a weed on his hat.

4. (especially in the plural as "widow's weeds") (Female) mourning apparel.

1. A sudden illness or relapse, often attended with fever, which befalls those who are about to give birth, are giving birth, or have recently given birth or miscarried or aborted.
2. Lymphangitis in a horse.

verb

To urinate.