Correct

拦腰

/ lányāo / 
Strokes

Definition

(hitting) squarely in the middle/(slicing) across the middle/to hold by the waist

Example

As an Adverb

(hold) by the waist; (cut across) in the middle

1
Hǎojǐ
好几
kē
棵
dàshù
大树
bèi
被
lóngjuǎnfēng
龙卷风
lányāo
拦腰
chuī
吹
duàn
断
  
。

Several big trees were snapped in halves in the tornado strike.

2
Lányāo
拦腰
jiéduàn
截断
dàhé
大河
  
,
xiūjiàn
修建
shuǐbà
水坝
  
。

The river was blocked with a dam built in the middle.

3
Lányāo
拦腰
bào
抱
zhù
住

seize sb by the waist; seize sb round the middle