וַיִּשְׁלַ֣ח מֶֽלֶךְ־אַשּׁ֣וּר ׀ אֶת־רַב־שָׁקֵ֨ה מִלָּכִ֧ישׁ יְרוּשָׁלְַ֛מָה אֶל־הַמֶּ֥לֶךְ חִזְקִיָּ֖הוּ בְּחֵ֣יל כָּבֵ֑ד וַֽיַּעֲמֹ֗ד בִּתְעָלַת֙ הַבְּרֵכָ֣ה הָעֶלְיוֹנָ֔ה בִּמְסִלַּ֖ת שְׂדֵ֥ה כוֹבֵֽס׃
Rashi on Isaiah
near the conduit fosed (fosse) in French, (a ditch, a trench, a moat.)
Rashi on Isaiah
the pool A place where water is gathered, dug in the ground by man, in which to put fish. It is long and wide.