Starter of avocado eaten by diner? One might put rocket in this (8)
I believe the answer is:
launcher
'one might put rocket in this' is the definition.
The definition suggests a singular noun which matches the answer.
'starter of avocado eaten by diner?' is the wordplay.
'starter of' suggests taking the first letters.
'eaten by' means one lot of letters goes inside another (inserted letters get eaten).
'diner?' becomes 'luncher'.
The initial letter of 'avocado' is 'a'.
'a' put into 'luncher' is 'LAUNCHER'.
Can you help me to learn more?
(Other definitions for launcher that I've seen before include "Rocket firer" , "starter" , "Missile firer" .)