|Origin:||crul 'curly' (1300-1400), probably from Middle Dutch|
curl1 [intransitive and transitive]
to form a twisted or curved shape, or to make something do this:
Mary was busy curling her hair.
Ivy curled round the tree.
2 [always + adverb/preposition]
to move, forming a twisted or curved shape, or to make something do this
curl across/along etc
Morning mists curled across the river.
curl something around/round/over etc something
He curled his arm around Claudia's waist.
if you curl your lip, or if your lip curls, you move it upwards and sideways, to show that you disapprove of someone or something:
Her lip curled in contempt.
curl upphrasal verb
to move so that you are lying or sitting with your arms and legs bent close to your body:
I just wanted to curl up and go to sleep.
Sarah was curled up on the sofa.
if something flat curls up, its edges start to become curved and point upwards:
The letter was now yellow and beginning to curl up.