experiencing or accompanied by sleeplessness; "insomniac old people"; "insomniac nights"; "lay sleepless all night"; "twenty watchful, weary, tedious nights"- Shakespeare
providing protective supervision; watching over or safeguarding; "daycare that is educational and not just custodial"; "a guardian angel"; "tutelary gods"
an ancient musical horn made from the horn of a ram; used in ancient times by the Israelites to sound a warning or a summons; used in synagogues today on solemn occasions