מִצְפֶּהmitspeh

an observatory, especially formilitary purposes

Pronunciation: mits-peh' · Hebrew/Aramaic (Old Testament) · H4707

Meanings

1. watch-tower (Isaiah 21:8)

2. outlook-point (2 Chronicles 20:24)

Same root

צָפָהtsâphâh · H6822properly, to lean forward, i.e. to peer into the distance; by implication, to observe, await
מִצְפֶּהMitspeh · H4708Mitspeh, the name of five places in Palestine
רָמַת הַמִּצְפֶּהRâmath ham-Mit-speh · H7434Ramath-ham-Mitspeh, a place in Palestine

Where it appears

Appears 2 times in the Bible.

2 Chronicles 20:24 So when the army of Judah arrived at the lookout point in the wilderness, all they saw were dead bodies lying on the ground as far as they could see. Not a single one of the enemy had escaped.
Isaiah 21:8 Then the watchman called out, “Day after day I have stood on the watchtower, my lord. Night after night I have remained at my post.

Source: Brown, Driver and Briggs, Hebrew and English Lexicon of the Old Testament (1906), public domain; markup by unfoldingWord, CC BY (github.com/unfoldingWord/Brown-Driver-Briggs-Enhanced).