noun
search box; search bar
Computing term for a text input field where users type search queries. Often used interchangeably with 検索窓 (けんさくまど).
See also: 検索窓
検索ボックスにキーワードを入力してください。
Please enter a keyword in the search box.
Synonymous; 検索窓 is slightly more common in some contexts, but both refer to the same UI element.
Compound of 検索 (けんさく, 'search') and ボックス ('box'), a straightforward loanword-based technical term.