Valmiki Ramayana Sundara Kanda Sarga 53 Shloka 17

ततः then, ते राक्षसाः those ogres, हृष्टाः joyfully, संवृताकारम् contracted, सत्त्ववन्तम् very powerful, कपिकुञ्जरम् elephant among monkeys, महाकपिम् great vanara, परिगृह्य after capturing, ययुः set forth.

Then the ogres set forth joyfully capturing the very powerful elephant among the monkeys, the great vanara who had contracted his body.