Adina is a Biblical Hebrew name meaning delicate, slender, refined or gentle. Its origins are from I Chronicles 11:42. I Chronicles 11:42 says it is the name of a reubenite warrior who was in King David's army known for his bravery. English: Adina the son of Shiza the Reubenite, the head of the Reubenites, and with him [were] thirty [men]. Hebrew: ‏עֲדִינָ֨א בֶן־שִׁיזָ֜א הָרֽאוּבֵנִ֗י רֹ֛אשׁ לָרֽאוּבֵנִ֖י וְעָלָ֥יו שְׁלֹושִֽׁים׃