lid, cap (the top or cover of a container); the bottom of a shoe's heel; cover (the front and back of a book); sluicegate; flank (a cut of meat from the flank of a cow)
to cover; to cap, to close with a lid, to put a lid on; to plug, to plug up, to fill a hole or pit; to block, to obstruct, to clog; to cover up, to hide, to conceal