gastrula
- n double-walled stage of the embryo resulting from invagination of the blastula; the outer layer of cells is the ectoderm and the inner layer differentiates into the mesoderm and endoderm
gastrulation
- n the process in which a gastrula develops from a blastula by the inward migration of cells
gate
- n a movable barrier in a fence or wall
- n a computer circuit with several inputs but only one output that can be activated by particular combinations of inputs
- n total admission receipts at a sports event
- n passageway (as in an air terminal) where passengers can embark or disembark
- v supply with a gate
The house was gated - v control with a valve or other device that functions like a gate
- v restrict (school boys') movement to the dormitory or campus as a means of punishment
gatecrasher
- n someone who gets in (to a party) without an invitation or without paying
gatehouse
- n a house built at a gateway; usually the gatekeeper's residence
gatekeeper
- n someone who controls access to something
there are too many gatekeepers between the field officers and the chief - n someone who guards an entrance