Matsya Purana 207.30

207.30

moktavyānāñca dhāryāṇāṃ teṣāṃ vakṣyāmi lakṣaṇam.
svastikākāraśrṛṅgāśca tathā meghaughanisvanāḥ .. 207.30 ..

I shall also tell you the kind of bulls that ought to be set at liberty or kept in the household Those should be well built, roaring like the thunder clouds high in stature walking like an infuriated elephant, with broad chest and very powerful—30 31