From BiblePortal Wikipedia

Smith's Bible Dictionary [1]

Coz'bi. (Deceitful). Daughter of Zur, a chief of the Midianites.  Numbers 25:15;  Numbers 25:18.

Hastings' Dictionary of the Bible [2]

Cozbi . The Midianitess slain by Phinehas (  Numbers 25:15;   Numbers 25:18 ).

Morrish Bible Dictionary [3]

The Midianitish woman who was slain by Phinehas.  Numbers 25:15,18 .

Fausset's Bible Dictionary [4]

 Numbers 25:15-18.

Holman Bible Dictionary [5]

 Numbers 25:15

Cyclopedia of Biblical, Theological and Ecclesiastical Literature [6]

(Heb. כָּזְבַּי , Kozbi , false; Sept. Χασβί ; Joseph. Χοσβία , Ant. 4, 6, 10), the daughter of Zur, a Midianitish prince. Phinehas, in his holy indignation, slew her, while in the act of committing lewdness with Zimri, an Israelitish chief, by thrusting a javelin through the middle of both ( Numbers 25:15;  Numbers 25:18). B.C. 1619.

International Standard Bible Encyclopedia [7]

koz´bı̄ ( כּזבּי , kozbı̄ , "deceitful"): A M idianite woman, distinguished as the daughter of Zur, "head of the people of a fathers' house in Midian." She was slain by Phinehas at Shittim in company with "Zimri, the son of Salu, a prince of a fathers' house among the Simeonites" ( Numbers 25:6-18 ).