Noah Webster's New International Dictionary of the English Language

1. (n.) A sort of very large nail; also, a piece of pointed iron set with points upward or outward.

2. (n.) Anything resembling such a nail in shape.

3. (n.) An ear of corn or grain.

4. (n.) A kind of flower cluster in which sessile flowers are arranged on an unbranched elongated axis.

5. (v. t.) To fasten with spikes, or long, large nails; as, to spike down planks.

6. (v. t.) To set or furnish with spikes.

7. (v. t.) To fix on a spike.

8. (v. t.) To stop the vent of (a gun or cannon) by driving a spike nail, or the like into it.

9. (n.) Spike lavender. See Lavender.