Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun chiasma
1 sense of chiasma
Sense 1
chiasma, chiasm, decussation -- (an intersection or crossing of two tracts in the form of the letter X)
=> structure, anatomical structure, complex body part, bodily structure, body structure -- (a particular complex anatomical part of a living thing; "he has good bone structure")