the GNU version of the Collaborative International Dictionary of English
n. A phrase, discourse, or proposition, susceptible of two interpretations; and hence, of uncertain meaning. It differs from equivocation, which arises from the twofold sense of a single term.
The Century Dictionary and Cyclopedia
n. The use of ambiguous phrases or statements.
n. In logic, a sentence which is ambiguous from uncertainty with regard to its construction, but not from uncertainty with regard to the meaning of the words forming it.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an ambiguous grammatical construction; e.g., `they are flying planes' can mean either that someone is flying planes or that something is flying planes
Word Usage
"It had been an excellent quaere to have posed the devil of Delphos, and must needs have forced him to some strange amphibology."