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saltus [Latin]

In ancient Rome, a measure of land area, = 4 centuriae, about 202.4 hectares.

Bina iugera quod a Romulo primum divisa dicebantur viritim, quae heredem sequerentur, heredium appellarunt. Haec postea centum centuria. Centuria est quadrata, in omnes quattor partes ut habeat latera longa pedum ∞ ∞ CĐ. Hae porro quattuor, centuriae coniunctae ut sint in utramque partem binae, appellantur in agris divisis viritim publice saltus.

Two iugeria make a heredium, the amount of land Romulus first granted to each citizen. Because it was the [largest] amount that could be inherited, it was called a heredium. Later 100 heredia were called a centuria. A centuria is a square area all four sides of which are 2400 pedes long. Further, 4 centuriae, joined so that there are two on each side, are called a saltus in the distribution of public lands.

Marcus Terentius Varro.
De Re Rustica, I 10 2.