Webster's Revised Unabridged Dictionary · 1913

Knoll

Knoll (nōl) , noun

[Anglo-Saxon cnoll; akin to German knolle, knollen, clod, lump, knob, bunch, OD. knolle ball, bunch, Swedish knol, Danish knold.]

A little round hill; a mound; a small elevation of earth; the top or crown of a hill.
On knoll or hillock rears his crest, Lonely and huge, the giant oak. — Sir W. Scott

Knoll , transitive verb

[Old English knollen, Anglo-Saxon cnyllan. See Knell.]

To ring, as a bell; to strike a knell upon; to toll; to proclaim, or summon, by ringing.
Knolled to church. — Shakespeare
Heavy clocks knolling the drowsy hours. — Tennyson

Knoll , intransitive verb

To sound, as a bell; to knell. — Shakespeare
For a departed being's soul The death hymn peals, and the hollow bells knoll. — Byron

Knoll , noun

The tolling of a bell; a knell. [Rare] — Byron