noun
search form; search box; search field
Computing term for an input area on a webpage or application where users enter search queries.
サイトの上部にある検索フォームにキーワードを入力してください。
Please enter a keyword in the search form at the top of the site.
Compound of 検索 (けんさく, 'search') and the loanword フォーム ('form'), reflecting its modern computing origin.