noun

• (obsolete) Conjecture; guess.
  "What you would work me to, I have some aim."

verb

• (intransitive) To point or direct a missile, or a weapon which propels as missile, towards an object or spot with the intent of hitting it
  "He aimed at the target, but the arrow flew straight over it."
• (intransitive) To direct the intention or purpose; to attempt the accomplishment of a purpose; to try to gain; to endeavor;—followed by at, or by an infinitive
  "to aim at a pass"
• (transitive) To direct or point (e.g. a weapon), at a particular object; to direct, as a missile, an act, or a proceeding, at, to, or against an object
  "to aim an arrow at the deer"
• (transitive) To direct (something verbal) towards a certain person, thing, or group
  "to aim a satirical comment at Communists in general"

name

• (ESA, space science) Initialism of Asteroid Impact Mission.
• (Internet, historical, 1997–2017) Initialism of AOL Instant Messenger.
• (NASA, space science) Initialism of Aeronomy of Ice in the Mesosphere, a NASA satellite.
• (UK, finance) AIM, the secondary stock market of the London Stock Exchange; formerly an initialism of Alternative Investment Market.

noun

• (US, military) Acronym of air intercept missile.