King James Bible
King James Version (KJV)

Feminine of an unused noun from shamar meaning a guard; watchfulness -- watch.
see HEBREW shamar
H8108. shomrah
שָׁמְרָה noun feminine guard, watch; — לְפִי י ׳שִׁיתָה ׳שׁ Psalm 141:3 ("" שְׂפָתָ֑י עַלדַּֿל נִצְּרָה).