Webster's Revised Unabridged Dictionary · 1913

Icy

Icy , adjective

[Anglo-Saxon īsig. See Ice.]

1.
Pertaining to, resembling, or abounding in, ice; cold; frosty.
Icy chains. — Shakespeare
Icy region. — Boyle
Icy seas. — Pope
2.
Characterized by coldness, as of manner, influence, etc.; chilling; frigid; cold.
Icy was the deportment with which Philip received these demonstrations of affection. — Motley