One verse

Srimad Bhagavatam 10.12.16

10.12.16

इति व्यवस्याजगरं बृहद् वपु: स योजनायाममहाद्रिपीवरम् । धृत्वाद्भ‍ुतं व्यात्तगुहाननं तदा पथि व्यशेत ग्रसनाशया खल: ॥ १६ ॥

iti vyavasyājagaraṁ bṛhad vapuḥ sa yojanāyāma-mahādri-pīvaram dhṛtvādbhutaṁ vyātta-guhānanaṁ tadā pathi vyaśeta grasanāśayā khalaḥ

iti
in this way
vyavasya
deciding
ājagaram
python
bṛhat vapuḥ
a very, very large body
saḥ
Aghāsura
yojana-āyāma
occupying eight miles of land
mahā-adri-pīvaram
as thick as a great mountain
dhṛtvā
assuming this form
adbhutam
wonderful
vyātta
spread
guhā-ānanam
having a mouth resembling a big cave in a mountain
tadā
at that time
pathi
on the road
vyaśeta
occupied
grasana-āśayā
expecting to swallow all the cowherd boys
khalaḥ
the most crooked

After thus deciding, that crooked Aghāsura assumed the form of a huge python, as thick as a big mountain and as long as eight miles. Having assumed this wonderful python’s body, he spread his mouth like a big cave in the mountains and lay down on the road, expecting to swallow Kṛṣṇa and His associates the cowherd boys.