What is the meaning of Purl?

A particular stitch in knitting; an inversion of stitches giving the work a ribbed or waved appearance.

The edge of lace trimmed with loops.

An embroidered and puckered border; a hem or fringe, often of gold or silver twist; also, a pleat or fold, as of a band.

To decorate with fringe or embroidered edge

To use an inverted stitch producing ribbing etc.

a heavy or headlong fall; an upset.

To upset, to spin, capsize, fall heavily, fall headlong.

To flow with a murmuring sound in swirls and eddies.

To rise in circles, ripples, or undulations; to curl; to mantle.

A circle made by the motion of a fluid; an eddy; a ripple.

A gentle murmuring sound, such as that produced by the running of a liquid among obstructions.

Ale or beer spiced with wormwood or other bitter herbs, regarded as a tonic.

Hot beer mixed with gin, sugar, and spices.

A tern.

Source: wiktionary.org