(dated) The sailfish.

present participle of double-book

Able to be booked or reserved. / Worth booking; likely to attract a large audience or similar. / (Britain, sports) Warranting a booking (a yellow card).

(transitive) To book or reserve something for two people simultaneously. / (reflexive) To make arrangements to do two things at the same time, such that it is impossible to keep both arrangements.

plural of boot loader

Alternative spelling of dual-boot

(computing) Having two operating systems available, such that either of them can be selected each time the computer is booted.

Alternative form of you can't judge a book by its cover

plural of booth babe

A female model hired to represent a product and interact with consumers at a trade fair or similar event.