waiting; expecting
General noun for the act of waiting or expecting something. Often used in compounds.
A great difficulty awaits further ahead.
After a long wait, my turn finally came.
standby screen; wallpaper (phone)
Abbreviation of 待ち受け画面. Refers to the idle screen or wallpaper on a mobile phone.
See also: 待ち受け画面
I changed my phone wallpaper to a cute cat photo.
I set a photo of my favorite idol as my wallpaper.
I changed my wallpaper because I wanted a change of mood.
待ち受け is the common abbreviated form used in casual speech, while 待ち受け画面 is the fuller, more explicit term for a phone's standby screen.
待ち受け refers specifically to a phone's idle/standby screen, whereas 壁紙 is the general word for a background image on any device, including computers.
Standard spelling.
Variant spelling without okurigana ち; less common but seen.
Compound of 待ち (waiting) + 受け (receiving). The phone sense is a clipping of 待ち受け画面.