Strong's #5909: `akbar (pronounced ak-bawr')
 probably from the same as 5908 in the secondary sense of attacking; a mouse (as nibbling):--mouse.
Brown-Driver-Briggs Hebrew Lexicon:
 ּ 
  ‛akbâr 
 
 1) mouse
 
  Part of Speech: noun masculine
Relation: probably from the same as H5908 in the secondary sense of attacking
Usage:
This word is used 6 times:
Leviticus 11:29: "upon the earth; the weasel,  and the mouse, and the tortoise after his kind,"
1 Samuel 6:4: "emerods, and five golden  mice, according to the number of the lords of the Philistines: for"
1 Samuel 6:5: "images of your emerods, and images  of your mice that mar the land; and ye shall give"
1 Samuel 6:11: "the cart, and the coffer with  the mice of gold and the images of their emerods."
1 Samuel 6:18: "And the golden  mice, according to the number of all the cities of the Philistines belonging to the five lords,"
Isaiah 66:17: "swine's flesh, and the abomination,  and the mouse, shall be consumed together, saith the LORD."