*shelfy*

a. 1. Abounding in shelves; full of dangerous shallows. “A shelfy coast.” Dryden. [ 1913 Webster ]

2. Full of strata of rock. [ Obs. ] [ 1913 Webster ]

The tillable fields are in some places . . . so shelfy that the corn hath much ado to fasten its root. Carew. [ 1913 Webster ]