simple past tense and past participle of back water

(baseball) Two home runs hit by consecutive batters

(telecommunications) The direct connection of the output of one telecommunications device to the input of another.

(travel, UK, Ireland) Any of a series of airline tickets, issued with overlapping travel dates, used to circumvent airfare minimum stay requirements.

plural of back to back jack

plural of back-to-back connection

plural of back to back ticket

A South American hummingbird, Sephanoides sephaniodes.

a passerine bird of the antbird family, Sakesphorus melanonotus.

a passerine bird of the antbird family, Hypoedaleus guttatus.