群发

Traditional form:

群發

Pinyin (reading):

qúnfā

Definitions:

• to send to multiple recipients; mass mailout
• to occur in a clustered fashion

Characters:

• 群 - group, crowd; multitude, mob
• 发 - to issue, to dispatch, to send out; hair

Traditional characters:

• 群 - group, crowd; multitude, mob
• 發 - to issue, to dispatch, to send out; hair