(medicine, cardiology) Sudden unexpected death of adolescents and adults, mainly during sleep, and sometimes associated with heart disease or channelopathy.

Obsolete spelling of defecates; Third-person singular simple present indicative form of defæcate

A structure containing vesicles and mitochondria of a synapse that is obtained when brain tissue is homogenized.

(obsolete) That which is excreted or purged; excretion. / (obsolete) A cathartic; a purgative.