Sahasra-śīrṣā—a name for the Supreme Personality of Godhead meaning "He who has a thousand heads;" Ananta-Śeṣa-an incarnation of the Supreme Lord in the form of His thousand-headed serpent, on which Viṣṇu rests, and who sustains the planets on His hoods.

Sahasra-sirsa-a name for the Supreme Personality of Godhead meaning "He who has a thousand heads;" Ananta-Sesa-an incarnation of the Supreme Lord in the form of His thousand-headed serpent, on which Visnu rests, and who sustains the planets on His hoods.
 

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