"Arm" in the Theological-Lexicon-of-the-Old-Testament-3-Vol.-Set-by-Ernst-Jenni-Claus-Westermann-Mark-E.-Biddle-translator AND "Arm" in Mounce

The Theological Lexicon starts the article about the Hebrew word for Arm on page 526 

but 

Go to page 528 of 1797 to read the Isaiah 53:10 part about the LORD's "arm".

Isaiah 53:10

 

10 Yet it was the LORD’s will to crush him and cause him to suffer, and though the LORD makes his life an offering for sin, he will see his offspring and prolong his days, and the will of the LORD will prosper in his hand.

ARM Old Testament Noun: זְרוֹעַ (zerôaʿ), GK 2432 (S 2220), 91×. zerôaʿ denotes the arm or forearm. It is used to denote the literal arm of a person (Gen 49:24; Isa 9:20) and sometimes, by extension, the shoulder (of an animal offering in Num 6:19; Deut 18:3). Since the arm can be viewed as the seat of strength, it can be used metaphorically to refer to someone’s strength or power (1 Sam. 2:31), especially God’s power (Ps 44:4; 79:11; 89:11). Or it may refer to someone’s lack of strength (note how 2 Chr. 32:7 refers to human power as an “arm of flesh,” which is weak compared with God’s ability to help Israel). Finally, and most prominently, the OT uses the expression “with a mighty hand and an outstretched arm” to describe God’s great act of delivering Israel from Egypt by working powerful miracles and bringing judgment on the enemy (Exod 6:6; Deut 4:34; 5:15). See NIDOTTE, 1:1146–47.

William D. Mounce, Mounce’s Complete Expository Dictionary of Old & New Testament Words (Grand Rapids, MI: Zondervan, 2006), 34.

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