Definition of -in-waiting in English:
-in-waiting
Pronunciation /in wādiNG/ /ɪn weɪdɪŋ/
1Awaiting a turn, confirmation of a process, etc.
- ‘a political administration-in-waiting’
- 1.1About to happen.
- ‘an explosion-in-waiting’
2Denoting a position as attendant to a royal personage.