Noun:
1: ai, army intelligence an agency of the United States Army responsible for providing timely and relevant and accurate and synchronized intelligence to tactical and operational and strategic level commanders
2: artificial intelligence, ai the branch of computer science that deal with writing computer programs that can solve problems creatively; "workers in AI hope to imitate or duplicate intelligence in computers and robots"
3: bradypus tridactylus, three-toed sloth, ai a sloth that has three long claws on each forefoot and each hindfoot
4: ai, artificial insemination the introduction of semen into the oviduct or uterus by some means other than sexual intercourse