I. ˈ ̷ ̷ ¦ ̷ ̷ noun
Etymology: down + link (IV)
1. : a communications channel for receiving transmissions from a spacecraft or satellite ; also : the transmissions themselves
2. : a facility on earth for receiving transmissions from a spacecraft or satellite — compare uplink herein
II. transitive verb
: to transmit (as data) from a spacecraft or satellite to a receiver on earth