Canto 3 -
Araṇya-kāṇḍa
Chapter 46: Rāvaṇa Disguises Himself and Approaches Sītā
Text 3.46.21
करान्तमितमध्यासि सुकेशी संहतस्तनी॥
karānta-mita-madhyāsi sukeśī saṁhata-stanī
kara-anta-mita-madhyā asi = your waist can be enclosed within the index finger and the thumb; sukeśī = your hair is beautiful; saṁhata-stanī = and your breasts are close to each other.
Your waist can be enclosed within the index finger and the thumb. Your hair is beautiful and your breasts are close to each other.