zadek znamená v angličtina

back [backs]▼(that which is farthest away from the front)
noun
[UK: ˈbæk] [US: ˈbæk]

backside [backsides]▼(buttocks)
noun
[UK: ˈbæk.saɪd] [US: ˈbæk.ˌsaɪd]

butt [butts]▼(buttocks)
noun
[UK: bʌt] [US: ˈbət]

buttock [buttocks]▼(each of the two large fleshy halves of the posterior part of the body)
noun
[UK: ˈbʌt.ək] [US: ˈbʌt.ək]