a transitive verb — a verb that takes a direct object (often marked with を) and expresses an action affecting someone or something (e.g., eat, read, open).
『本を読む』のように、読むは他動詞で目的語が必要だ。
As in 'read a book,' 'read' is a transitive verb and requires an object.
この動詞は自動詞か他動詞か区別するのが文法学習では大切だ。
Distinguishing whether a verb is intransitive or transitive is important in grammar study.
『ドアを開ける』の開けるは他動詞の例だ。
'Open the door' — 'open' is an example of a transitive verb.