Rigveda 4.17.3

भि॒नद् गि॒रिं शव॑सा॒ वज्र॑मि॒ष्णन्ना॑विष्कृण्वा॒नः स॑हसा॒न ओज॑: ।वधी॑द् वृ॒त्रं वज्रे॑ण मन्दसा॒नः सर॒न्नापो॒ जव॑सा ह॒तवृ॑ष्णीः॥

bhinad giriṃ śavasā vajramiṣṇannāviṣkṛṇvānaḥ sahasāna oja: |vadhīd vṛtraṃ vajreṇa mandasānaḥ sarannāpo javasā hatavṛṣṇīḥ ||

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