מצחה mitschâh mits-khaw' From the same as H4696; a shin piece of armor (as prominent), only pluralKJV Usage: greaves.
Brown-Driver-Briggs' Hebrew DefinitionsBDB4781 מצחה 1. greave(s), leg armour Origin: from the same as H4696 TWOT: 1233b Parts of Speech: Noun Feminine
מצח mêtsach may'-tsakh From an unused root meaning to be clear, that is, conspicuous; the forehead (as open and prominent)KJV Usage: brow, forehead, + impudent.