Word of the Day - let-down

let-down

/ˈlɛtdaʊn/
noun
1 A disappointment.
2 mass noun - The release of milk in a nursing mother or lactating animal as a reflex response to suckling or massage.
3 Aeronautics - The descent of an aircraft or spacecraft prior to landing.

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After a very promising let-down during the early part of his landing glide, Bob's final touchdown was a significant let-down.