1.
If you ~ things such as letters or bills, you send them to a large number of people at the same time.
She had sent out well over four hundred invitations that afternoon.
PHRASAL VERB: V P n (not pron), also V n P
2.
To ~ a signal, sound, light, or heat means to produce it.
The crew did not ~ any distress signals...
PHRASAL VERB: V P n (not pron), also V n P
3.
When a plant sends out roots or shoots, they grow.
If you cut your rubber plant back, it should ~ new side shoots.
= produce
PHRASAL VERB: V P n (not pron), also V n P