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Webster 1913 Edition

Adj.

Abounding in shelves; full of dangerous shallows.

“A shelfy coast.”

Dryden.

Full of strata of rock.

[Obs.]

The tillable fields are in some places . . . so

shelfy

that the corn hath much ado to fasten its root.

Carew.

Adj.

1. Full if shelves; abounding with with sand bank or rocks lying near the surface of the water and rendering navigation dangerous; as a shelfy coast.

2. Hard; firm. [See Shelf, No. 3.] [Not in use.]

shelfy ‎(comparative more shelfy, superlative most shelfy)

(obsolete) Abounding in shelves; full of dangerous shallows.
A shelfy coast. — Dryden.
(obsolete) Full of strata of rock.
The tillable fields are in some places […] so shelfy that the corn hath much ado to fasten its root. — Carew.