k-up [noun] [C]A hook-up is a connection between two or more things, places or people using electronic equipment.We hope to bring you a live report from Ouagadougou via our satellite hook-up.(figurative) I hope to arrange a hook-up (= meeting) with her associates the next time I'm in town.Each campsite has electric, water and sewage hook-ups (= connections).
HOO
Meaning of HOO in English
Cambridge English vocab. Кембриджский английский словарь. 2012