וַיִּבְנֶ֧ה אֶת־הָאֲבָנִ֛ים מִזְבֵּ֖חַ בְּשֵׁ֣ם יְהוָ֑ה וַיַּ֣עַשׂ תְּעָלָ֗ה כְּבֵית֙ סָאתַ֣יִם זֶ֔רַע סָבִ֖יב לַמִּזְבֵּֽחַ׃
Er baute aus den Steinen einen Altar im Namen des Herrn und machte einen Graben, der an zwei Maẞ Saat fasste, rings um den Altar.
Rashi
Which would contain two se’ah. Its width [i.e., capacity] was as great as to hold two se’ah,13 82:5. [i.e.,] one hundred amohs by fifty amohs,14An area that accommodates the sowing of two se’ah of seed. like [the area of] the Tabernacle’s courtyard.15Alternatively, an area whose dimensions are 50 amohs by 50 amohs.—Radak