Doubtful or uncertain, particularly in respect to signification; capable of being understood in either of two or more possible senses; equivocal; as, an ambiguous course; an ambiguous expression.

Open to more than one interpretation; doubtful or uncertain.

open to two or more interpretations; or of uncertain nature or significance; or (often) intended to mislead; "an equivocal statement"; "the polling had a complex and equivocal (or ambiguous) message for potential female candidates"; "the officer's equivocal behavior increased the victim's uneasiness"; "popularity is an equivocal crown"; "an equivocal response to an embarrassing question"

Having more than one possible interpretation or reading.

open to two or more interpretations. In literature, ambiguity may enrich the meaning, enhance the irony, or add complications that lead beyond simplistic interpretations. (Compare with ambivalent.)

Open to more than one interpretation. In the context of this site it means that an image as a whole can display different scenes, depending on the interpretation of the viewer. These are also known as equivocal images or metamorphic images.

A word, phrase, sentence, or other communication is called “ambiguous” if it can be interpreted in more than one way.