tuck-in

From tuck +‎ in, from the phrasal verb.

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tuck-in (plural tuck-ins)

1. (slang) A hearty meal.
2. The process of putting a child to bed and tucking the covers around them.

• tuck
• tucker
• tuck-out

• Eric Partridge (1984) “tuck”, in Paul Beale, editor, A Dictionary of Slang and Unconventional English […], 8th edition, New York: Macmillan

• tunick, untick