Good morning, Gabriel.
Shall we check the difference?
Meaning: (A) jarda; (B) quintal; terreiro; (C) estaleiro.
(A) The yard (abbreviation: yd) is an English unit of length, in both the British imperial and US customary systems of measurement, that comprises 3 feet or 36 inches. It is by international agreement in 1959 standardized as exactly 0.9144 meters. Nowadays, the yard is used as the standard unit of field-length measurement in American, Canadian and Association football, cricket pitch dimensions, and in some countries, golf fairway measurements.
(B) A yard is an area of land immediately adjacent to a building or a group of buildings. It may be either enclosed or open. The word comes from the same linguistic root as the word garden and has many of the same meanings. A number of derived words exist, usually tied to a particular usage or building type. Some may be archaic or in lesser use now. Examples of such words are: courtyard, barnyard, hopyard, graveyard, churchyard, brickyard, prison yard, railyard, junkyard and stableyard.
(C) -shipyard; -dockyard. The place where ships are built, often near the sea.
Meaning: quintal; fundos (de uma residência; de um imóvel)
A back yard (or backyard) is a yard at the back of a house, common in suburban developments in the Western world.
(1) LEVINE, Paul; BEGNAL, Tom; THORNTON, Dan. Building Backyard Structures: Sheds, Barns, Bins, Gazebos & Other Outdoor Construction. Sterling Publishers Pvt. Limited. 1997.
(2) DOWLING, Charles Hutton Dowling. A series of metric tables: in which the British standard measures and weights are compared with those of the metric system at present in use on the continent. Lockwood. Pp. Xii–iii. Retrieved 8 January 2012.
(3) Pearson Education. Longman Dictionary.
(4) Cambridge Advanced Learner's Dictionary.