Anagrams of: ONIAC

• an acknowledgment that can be used to say hello or goodbye (aloha is Hawaiian and ciao is Italian)

• (Old Testament) Cain and Abel were the first children of Adam and Eve born after the Fall of Man; Cain killed Abel out of jealousy and was exiled by God

• (computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface

• a visual representation (of an object or scene or person or abstraction) produced on a surface

• a conventional religious painting in oil on a small wooden panel; venerated in the Eastern Church

• A cone.

• airtight sealed metal container for food or drink or paint etc.

• the quantity contained in a can

• a buoy with a round bottom and conical top

• the fleshy part of the human body that you sit on

• a plumbing fixture for defecation and urination

• a room or building equipped with one or more toilets

• preserve in a can or tin

• terminate the employment of; discharge from an office or position

• an argument opposed to a proposal

• a person serving a sentence in a jail or prison

• a swindle in which you cheat at gambling or persuade a person to buy worthless property

• in opposition to a proposition, opinion, etc.

• deprive of by deceit

• commit to memory; learn by heart

• South American wood sorrel cultivated for its edible tubers

• The inner part of a Greek temple. It contained a statue of the appropriate deity surrounded by a colonnaded portico and later gave rise to the Roman cella.