Mahabharata 6.83.5

भीष्मः कृत्वा महाव्यूहं पिता तव विशां पतेसागरप्रतिमं घोरं वाहनोर्मितरङ्गिणम्

bhīṣmaḥ kṛtvā mahāvyūhaṃ pitā tava viśāṃ patesāgarapratimaṃ ghoraṃ vāhanormitaraṅgiṇam

Our plain-language meaning of this verse is waiting for scholar review.