A twisted strand of fiber used for knitting or weaving.
"The soft yarn was spun from wool and perfect for making a cozy sweater."
In plain English: A yarn is an old-fashioned word for a story, especially one that sounds made up or exaggerated.
"She sat by the window and began to spin her colorful yarn into a soft sweater."
Usage: As a noun, yarn refers to the thread itself rather than an excuse or fabrication; do not confuse it with "yonder," which means over there. When used as a verb, you can say someone is spinning a tale if they are telling a long, often unbelievable story.
To tell a story or stories.
"After dinner, Grandpa liked to sit by the fire and yarn about his adventures in the mountains."
In plain English: To yarn means to talk casually and at length about unimportant things, often while sitting around together.
"The elderly man sat by the fire and yarned about his adventures in India to the children gathered around him."
The word yarn comes from Old English ġearn, which originally meant "spun wool." Its roots trace back to a Proto-Indo-European term for intestines or guts, likely referring to the stringy texture of raw animal fibers.