The next morning, we left Friday Harbor and continued sailing up San Juan Channel, watching for signs of orcas along the way. channel (CHA nuhl) noun 1. the bed of a river or stream; 2. a wide passageway of water between two bodies of land; 3. an official route for communication; 4. a frequency band over which a radio or television signal is communicated. Which definition gives the meaning of channel as it is used in the sentence? A. definition 1 B. definition 2 C. definition 3 D. definition 4