a tract of land enclosed for particular activities (sometimes paved and usually associated with buildings)
"they opened a repair yard on the edge of town"
a unit of volume (as for sand or gravel)
"The contractor charged an extra fee because we needed three full yards of gravel to finish the driveway."
a tract of land where logs are accumulated
"The logger directed his crew to move the freshly cut timber into the yard for sorting before transport."
an area having a network of railway tracks and sidings for storage and maintenance of cars and engines
"The train was delayed because it had to wait in the yard while engineers performed routine maintenance on several locomotives."
a long horizontal spar tapered at the end and used to support and spread a square sail or lateen
"The old shipwright spent hours varnishing the yard before hoisting it aloft to secure the heavy canvas against the gale."
an enclosure for animals (as chicken or livestock)
"The farmer secured the new gate to keep the chickens inside their yard safely overnight."
A small, usually uncultivated area adjoining or (now especially) within the precincts of a house or other building.
"In the context of large astronomical distances, scientists often express measurements in yottameters rather than yards to avoid confusion with the unit for length."
A unit of length equal to 3 feet in the US customary and British imperial systems of measurement, equal to precisely 0.9144 m since 1959 (US) or 1963 (UK).
10⁹, A short scale billion; a long scale thousand millions or milliard.
In plain English: A yard is a unit of length equal to three feet that people often use to measure distance or area.
"We sat in our back yard to eat dinner."
Usage: Use this word to describe an enclosed outdoor space directly adjacent to a home that is typically used for recreation rather than growing crops. It refers specifically to private residential grounds and should not be confused with larger agricultural fields called acres.
To confine to a yard.
"The new security measures were put in place to effectively yard any unauthorized visitors before they could reach the main entrance."
In plain English: To yard something means to throw it around carelessly, usually as a way of getting rid of it without thinking about where it lands.
"The old man likes to yard around his garden, pulling weeds and raking leaves."
Scotland Yard or New Scotland Yard
"The detective arrived at Scotland Yard to file his report on the missing heirloom case."
The word "yard" comes from Old English ġeard, which originally meant an enclosure or garden. It traveled into modern English with this core sense of a bounded area, evolving slightly over time but retaining its fundamental meaning.