English noun: chiasma | |||
| 1. | chiasma (body) an intersection or crossing of two tracts in the form of the letter X | ||
| Synonyms | chiasm, decussation | ||
| Broader (hypernym) | anatomical structure, bodily structure, body structure, complex body part, structure | ||
| Narrower (hyponym) | chiasma opticum, optic chiasm, optic chiasma | ||