noun
search interface
Computing term for the part of a system that allows users to perform searches.
このアプリの検索インタフェースはとても使いやすい。
The search interface of this app is very easy to use.
検索エンジン is a search engine (the backend system), while 検索インタフェース is the user-facing search interface.
Compound of 検索 (search) and インタフェース (interface), a direct loan translation from English.