Princeton's WordNet

1. childhood(noun)

   the time of person's life when they are a child

2. childhood, puerility(noun)

   the state of a child between infancy and adolescence

Kernerman English Learner's Dictionary

1. childhood(noun)ˈtʃaɪld hʊd

   a time when sb is a child

   an unhappy childhood; childhood dreams

Wiktionary

1. childhood(Noun)

   The state of being a child.

2. childhood(Noun)

   The time during which one is a child, from between infancy and puberty.

3. childhood(Noun)

   The early stages of development of something.

Origin: From childhod, from cildhad, from cild + -had, equivalent to .

Webster Dictionary

1. Childhood(noun)

   the state of being a child; the time in which persons are children; the condition or time from infancy to puberty

2. Childhood(noun)

   children, taken collectively

3. Childhood(noun)

   the commencement; the first period

• kinderjareAfrikaans
• طُفولَه، سِن الطُّفولَهArabic
• детствоBulgarian
• infânciaPortuguese (BR)
• dětstvíCzech
• die KindheitGerman
• barndomDanish
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• lapsepõlvEstonian
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• lapsuusFinnish
• enfanceFrench
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• 童年Chinese (Simp.)