Webster's Revised Unabridged Dictionary · 1913

Overtop

Overtop , transitive verb

1.
To rise above the top of; to exceed in height; to tower above.
To o'ertop old Pelion. — Shakespeare
2.
To go beyond; to transcend; to transgress.
If kings presume to overtop the law by which they reign,... they are by law to be reduced into order. — Milton
3.
To make of less importance, or throw into the background, by superior excellence; to dwarf; to obscure. — Becon