ˈ ̷ ̷ˌ ̷ ̷ noun
1. : any of numerous rather large stocky swift-flying two-winged flies constituting the family Tabanidae having in the female a piercing proboscis with which they suck the blood of animals (as horses and cattle) inflicting painful bites — compare chrysops , greenhead
2. : any of several other flies annoying to horses (as the horse tick Hippobosca equina )