noun
search box; search bar
Computing term for the text input field where users type search queries.
検索窓にキーワードを入力してください。
Please enter a keyword in the search box.
検索 means 'search' or 'lookup' in general, while 検索窓 specifically refers to the search input field.
Compound of 検索 (search) and 窓 (window), referring to the search input field in software interfaces.