English Dictionary

key up

verb

(architecture) To raise (the whole ring of an arch) off its centering, by driving in the keystone forcibly. / (music) To raise the pitch of. / (figuratively) To produce nervous tension in.

I need to key up my computer before starting the presentation.

意味（1）

(architecture) To raise (the whole ring of an arch) off its centering, by driving in the keystone forcibly.

意味（2）

(music) To raise the pitch of.

意味（3）

(figuratively) To produce nervous tension in.

意味（4）

(figuratively) To raise the intensity, excitement, tension, etc., of.