A species of brown algae, Ascophyllum nodosum; a common seaweed of the northern Atlantic Ocean.

plural of knotter

A person who makes knots. / A machine or device that makes knots. / (pulp and paper) A screen used to remove “knots” or impurities from wood pulp in the process of making paper.

plural of knottin

(biochemistry) Inhibitor cystine knot

plural of knotted wrack

plural of knottle

An eastern suburb of Liverpool, Merseyside, England (OS grid ref SJ4091)

A town in the Metropolitan Borough of Wakefield, West Yorkshire, England (OS grid ref SE4923)

Density of knots, especially in carpets and rugs. / Speed, usually of a ship or aircraft, or of the wind, measured in knots.