PIKE

noun

1. A very long spear used two-handed by infantry soldiers for thrusting (not throwing), both for attacks on enemy foot soldiers and as a countermeasure against cavalry assaults.
2. A sharp point, such as that of the weapon.
3. A large haycock.

verb

1. To prod, attack, or injure someone with a pike.
2. To assume a pike position.
3. To bet or gamble with only small amounts of money.