Valmiki Ramayana 6.82.20
सस्कन्धविटपैः सालैः शिलाभिश्च महाबलः।हनुमान् कदनं चक्रे रक्षसां भीमकर्मणाम्॥
saskandhaviṭapaiḥ sālaiḥ śilābhiśca mahābalaḥ |hanumān kadanaṃ cakre rakṣasāṃ bhīmakarmaṇām ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book