待合 (まちあい)rendezvous; meeting; assignation

rendezvous; meeting; assignationnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru
area where guests gather before the start of a tea ceremonynoun (common) (futsuumeishi)
waiting roomnoun (common) (futsuumeishi)
meeting place for assignations, drinking, etc.noun (common) (futsuumeishi)

待合, its kanji, and other words that share them.Open this graph

Kanji in 待合

期待きたいexpectation; anticipation
招待しょうたいinvitation
待遇たいぐうtreatment; reception
接待せったいentertainment (of guests; esp. in the corporate world); treating (to food and drinks)
期待感きたいかんfeeling of expectation
虐待ぎゃくたいabuse; ill-treatment
待望たいぼうwaiting expectantly; waiting eagerly
待機たいきstanding by; awaiting an opportunity
合意ごうい(coming to an) agreement; consent
問い合わせといあわせenquiry; inquiry
総合そうごうsynthesis; coordination
試合しあいmatch; game
連合れんごうunion; alliance
会合かいごうmeeting; assembly
組合くみあいassociation; union
統合とうごうintegration; unification

See how 待合 connects to the rest of Japanese.