from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A passage, especially the passage between the third and fourth ventricles in the brain; the cerebral aqueduct.
from the GNU version of the Collaborative International Dictionary of English
- n. A passage; esp., the passage between the third and fourth ventricles in the brain; the aqueduct of Sylvius.
from The Century Dictionary and Cyclopedia
- n. An appointed journey or route; circuit; specifically, in old English law, the judge's circuit. More commonly in the Old French form eyre.
- n. [NL.] In anatomy, a passageway in the body; specifically, without qualifying terms, the aqueduct of Sylvius, or iter a tertio ad quartum ventriculum.
- To renew.