What does the cryptic crossword clue "Throw away about 50% of what's used for training and education? (9)" mean?

The definition is "education?". The wordplay uses a container (one word inside another). CHOO (synonym="50% of CHOO-CHOO, what’s used for ‘training'(!") in SLING (synonym="throw away") = SCHOOLING; definition: "education?" The answer is SCHOOLING.

Throw away about 50% of what's used for training and education? (9)

Guardian Cryptic #29264 | 18 Across | 2023-12-28 flower

← Back to puzzle

Visit Guardian's puzzle site →