From The Collaborative International Dictionary of English v.0.48:
Tip \Tip\, v. t. [imp. & p. p. Tipped; p. pr. & vb. n.
Tipping.]
To form a point upon; to cover the tip, top, or end of; as,
to tip anything with gold or silver.
[1913 Webster]
With truncheon tipped with iron head. --Hudibras.
[1913 Webster]
Tipped with jet,
Fair ermines spotless as the snows they press.
--Thomson.
[1913 Webster]