Which type of window is most similar to a jalousie?

The window type that is most similar to a jalousie is the awning window. Both jalousie and awning windows are designed to provide ventilation while protecting against weather elements. A jalousie window consists of several narrow slats that can be adjusted to control airflow and light. This design allows for open-air ventilation while keeping rain out when tilted at the correct angle. Similarly, an awning window is hinged at the top and opens outward, creating a shielded effect that allows airflow while preventing rain from entering.

The characteristic shared by these two types of windows lies in their functionality for ventilation combined with weather protection. This makes the awning window the correct answer when comparing it to the jalousie window. Other types of windows like casement, horizontal sliding, and double-hung do not provide the same level of adjustable airflow or the protective feature that the jalousie and awning windows inherently offer through their design.