背侧

背側
bèicè
  1. back
  2. back side

CEDICT

Entry Composition

1 背 bèi
  1. the back of a body or object
  2. to turn one's back
  3. to hide something from
  4. to learn by heart
  5. to recite from memory
  6. (slang) unlucky
  7. hard of hearing
2 侧 cè
  1. the side
  2. to incline towards
  3. to lean
  4. inclined
  5. lateral
  6. side

Related entries

后 hòu
  1. back
  2. behind
  3. rear
  4. afterwards
  5. after
  6. later
  7. post-
洗后弄平。

After washing, de-wrinkle it.

Source: Tatoeba

背部 bèibù back (of a human or other vertebrate, or of an object)
我的背部被踢了一脚。

I was kicked in the back.

Source: Tatoeba

脊梁 jǐliang (coll.) back (of a human or other vertebrate)
脊背 jǐbèi back (of a human or other vertebrate)
腰杆 yāogǎn
  1. (a person's) back (usu. as sth one keeps straight)
  2. (fig.) backing; support