Definitions

1. adjective

relating to or resembling a chiasmus, especially in having a structure or pattern that reverses or inverts the order of its elements

“The poet’s use of chiasmatic structures in his latest collection has received widespread critical acclaim.”

2. noun

a chiasmus or inverted structure, especially in a poetic or rhetorical passage

“The scholar’s analysis of the chiasmatic pattern in the ancient text shed new light on its meaning.”