1 standing straight up 直立的；竖直的: He stood with his head erect.他昂首站立。 [SYN] upright 同义词为 upright
2 (used about the male sexual organ) hard and standing up because of sexual excitement （指男性生殖器）勃起的
erect²
/ɪˈrekt ||; ɪˈrɛkt/verb [T] (formal 正式) to build sth or to stand sth straight up 建造；竖立: to erect a statue竖立雕像Huge TV screens were erected above the stage.舞台上竖起巨大的电视屏幕。