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solar

1

In Costa Rica, ? – 20ᵗʰ century , a unit of area, approximately 873.620 square meters (about 1044.84 square yards).

United Nations, 1966.

2

In Ecuador, ? – 20ᵗʰ century , a unit of area, approximately 1764 square meters (about 0.43 acres).

United Nations, 1966.

3

In Argentina, two units of land area, the smaller 50 varas on a side, 1874 square meters, and the larger 75 varas on a side, 4218 square meters.

Valentín Balbín (1881), page 189.

4

In Nicaragua

Generalmente un solar tiene 30 vara castellanas por lado, y cad manzana o bloque de edification contiene once solares.

Generally a solar is 30 castilian varas on a side, and each manzana or block of construction contains 11 solares.

Cristina Maria van der Gulden.
Vocabulario Nicaragüense.
Managua: Editorial UCA, 1995.
Page 334.

In this case, “manzana” means, not the unit of land area, but in a city the amount of land enclosed between streets meeting at right angles, that is, a city block. A square 300 Castilian varas on a side contains 628 square meters.