Definitions

1. noun

a pointed or sharp object, especially a piece of metal or bone that is used to fasten or fix something

“The hikers used a spike to secure their tent in the snow.”

2. verb

to attach or fasten something with a spike

“The carpenter spiked the board into place.”

3. verb

to pierce or wound with a spike

“The nail spiked her finger.”

4. noun

a sudden increase or peak, especially in a quantity or level

“The sales figures showed a spike in the market.”

5. verb

to increase or rise suddenly, especially in a quantity or level

“The company’s profits spiked after the merger.”