Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
A passage; esp., the passage between the third and fourthventricles in the brain; the aqueduct of Sylvius.
A [biter] with [no teeth]
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
