What is the meaning of Earing?

A line used to fasten the upper corners of a sail to the yard or gaff.

A line for hauling the reef cringle to the yard.

A line fastening the corners of an awning to the rigging or stanchions.

A manufacturing defect in which the edges of sheet metal form a wave pattern during deep drawing.

A ploughing of land.

present participle and gerund of ear

Source: wiktionary.org