A man or boy whose birthday it is.

A greeting card given to someone to celebrate his or her birthday.

A cake, often iced and decorated, made to celebrate a person's birthday.

Any of various trees of the genus Betula, native to countries in the Northern Hemisphere. / A hard wood taken from the birch tree, typically used to make furniture.

To punish with a stick, bundle of twigs, or rod made of birch wood. / To punish as though one were using a stick, bundle of twigs, or rod made of birch wood.

A carnivorous bird that hunts for its food, especially one that preys on vertebrates.

The woman who gives birth to a child (not necessarily the genetic mother)

Alternative spelling of birdsong

(idiomatic, often humorous) Nakedness, unclothed skin; an exposure of a human's natural anatomy without clothing. / Used other than figuratively or idiomatically: see birthday, suit.

A mark on the skin formed before birth.