source of a river

epicenter(AmE), epicentre(BrE) - the point on the Earth's surface directly above the focus of an earthquake. / (figuratively) The focal point of any activity, especially if dangerous or destructive .

(ecology) habitat

downtown, urban area

area hit by a disaster, disaster-stricken area

a surname

concession (territory)

earthly branch

ushi no toki mairi, a traditional Japanese practice where a person visits (参(まい)り (mairi)) a shrine at approximately 2 AM in the morning (丑(うし)の時(とき) (ushi no toki)) in order to nail a straw effigy of a person (藁人形(わらにんぎょう) (waraningyō)) to a tree and wish for that person's death

(linguistics) diachronic