tip / tɪp /
noun
a slender or pointed end or extremity, especially of anything long or tapered:
the tips of the fingers.
the top, summit, or apex:
the tip of the mountain.
a small piece or part, as of metal or leather, forming or covering the extremity of something:
a cane with a rubber tip.
verb (used with object), tipped, tip·ping.
to furnish with a tip.
to serve as or form the tip of.
Verb Phrases
tip in, Bookbinding. to paste the inner margin of (a map, illustration, or other plate) into a signature before gathering.