The Collaborative International Dictionary
Rampart gun
Rampart \Ram"part\, v. t. [imp. & p. p. Ramparted; p. pr. & vb. n. Ramparting.] To surround or protect with, or as with, a rampart or ramparts.
Those grassy hills, those glittering dells,
Proudly ramparted with rocks.
--Coleridge.
Rampart gun (Fort.), a cannon or large gun for use on a rampart and not as a fieldpiece.