Definition of "chiasm" []

• Alternative form of chiasma. (noun)
• Alternative form of chiasmus. (noun)

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• "The optic chiasm is deeper in the brain than the corpus callosum, so it is not cut by the operation."
• "“This type of tumor presents a lot of secondary complications when it presses against the optic chiasm,” the doctor said, looking directly at Alex."
• "Drifting down the river in silence, the lovers indulge, by velar and glottal tension as well as ethical laxity, in a "grave untiring gaze" of reciprocated desire that seems released from the phonemic chiasm of "solitude" and"