The second stroke of this character is a vertical stroke.
Tips
usage
竖 can be an adjective (vertical), a verb (to set upright), or a noun (vertical stroke in calligraphy). Opposite: 横 (héng, horizontal). Common phrase: 竖起大拇指 (give a thumbs up).
grammar
As a verb, 竖 often takes 起 as a complement: 竖起来 (stand something up), 竖起大拇指 (raise one's thumb). As an adjective, it modifies nouns directly: 竖线 (vertical line), 竖排 (vertical layout).
