am·phib·ol·o·gy [ àmfi bólləjee ](pluralam·phib·ol·o·gies) or am·phib·o·ly [ am fíbbəlee ](pluralam·phib·o·lies)
noun
Definition:
ambiguous expression: a phrase or sentence that can be interpreted in two ways, usually because of the grammatical construction rather than the meanings of the words themselves. The phrase "the boy on the chair with a broken leg" is an amphibology.
[Late 16th century. < late Latin amphibologia "ambiguity" < Latin amphibolia + Greek -logia "speech"]