bottom(BODY PART)
SMART Vocabulary: related words and phrases The buttocks
arse
ass
back end
behind
booty
bot
bottom
bum
bun
buttock
duff
fundament
gluteal
gluteus maximus
haunch
posterior
rear
rump
seat
tush
backsidenoun[C] (BACK PART)
Indian English
the back part of something: 后面；后部；背部
On the backside of this building you will find a door.在房子的后侧，你会看见一扇门。
Do not write anything on the backside of your answer book.不要在答题本的背面写任何内容。
SMART Vocabulary: related words and phrases After & behind
after
back
back end
background
be hot on someone's track/trailidiom
bring
bring up the rearidiom
hard/hot/close on someone's heelsidiom
heel
hot
in hot pursuitidiom
leave something in your wakeidiom
mid-dorsal
nose
nose to tailidiom
posteriority
rear
wake
Idioms
a boot/kick up the/your backside
get off your backside
sit (around) on your backside
backside | American Dictionary
backside
noun[ C ]
infmlus/ˈbækˌsɑɪd/
the part of the body you sit on; your buttocks