उच्चैःश्रवस्uccaiḥśravasm. "long-eared or neighing aloud" N. of the horse (of Indra इन्द्र L.) produced at the churning of the ocean…
masculine gender "long-eared or neighing aloud" Name of the horse (of Indra इन्द्र Lexicographers) produced at the churning of the ocean (regarded as the prototype and king of horses) MBh. Hariv. Bhag. Kum. etc.
उच्चैःश्रवसमश्वानां विद्धि माममृतोद्भवम् ।