A peer review is a review done by colleagues at the same organizational level, such as developers, testers, or managers. An informal review without moderator is called a walkthrough. A review done by developers and testers together is called an inspection. A review done by developers only is not a specific type of review.
References: Certified Tester Foundation Level (CTFL) Syllabus - ASTQB, Section 3.1.1, Page 18