Angel is used in Hebrew to denote either a divine or human messenger.
For Christians angels are represented throughout the Bible as a body of spiritual beings intermediate between God and men: "You have made him (man) a little less than the angels" (Psalm 8:6).
I think about angels a lot this time of year. My wardrobe includes angel pajamas for when I'm sick. I have an angel key ring that keeps the rejections away. And three days after my mother's passing I won an angel bear. Might have been a coincidence but I didn't think so.
So this year I'm decorating with angels -- at the top of the tree, on the mantel and the nightstand. I think there are celestial beings guarding us but there are human angels too and I'm surronded by them. A neighbor just brought my garbage containers back up to the house after the truck came through and another went grocery shopping for me.
So on the second night of Chanukah I'm thinking about the Hebrew definition of angels -- a divine or human messenger.