also show-boat, 1838, "river boat on which theatrical performances are given," from show (n.) + boat (n.). The verb meaning "to show off" is attested from 1951.
shovel
shovelful
show
show up
show-and-tell
showboat
showcase
showdown
shower
showgirl
showman
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}