辞書形 (〜る・〜う): dictionary (plain present) form

The basic plain form of a verb, used in casual speech and as the dictionary entry.

Ending in u-sound: 食べる, 行く, 飲む, 書く, する, 来る. Ichidan verbs end in -る (preceded by e or i usually); godan verbs end in another u-sound. It means present or future: 毎日見る, 明日行く. Polite form: ます.