twine
He was still trying to scramble to his feet, but the twining roots held him firmly.
She released herself from the twining arms about her. 
Our eyes were still glued to the twining snakes.
 SMART Vocabulary: related words and phrases  Climbing plants 
bindweed
Boston ivy
bougainvillea
clematis
climber
English ivy
fox grape
grapevine
honeysuckle
hoya
moonflower
old man's beard
passion flower
philodendron
plumbago
stephanotis
sweet pea
traveller's joy
trumpet vine
vine
You can also find related words, phrases, and synonyms in the topics:
 Bending, twisting and curving