send out phr v [T] 1 [ send sb/sth ↔ out] to send something or someone from a central point to various other places 发出〔某物〕; 派遣〔某人〕: The wedding invitations were sent out weeks ago. 婚礼请帖几个星期以前就发出去。 2 [ send sth ↔ out] to broadcast something, or to produce light, sound etc 播送〔资讯〕; 发出〔光、声音等〕: The ship sent out an SOS message. 那艘船发出了一个紧急求救信号。