Ūrdhvaliṇga (Urdhvalinga; One whose genital organ is maintained upright, in control) is one of the Aṣṭottara Sahasranāma (Ashtottara Sahasranama; Thousand and Eight Names) of God Śiva (Siva).

[See Ūrdhvaretā]

Mahābhārata (Kinjawadekar)(13.17.46)
Mahābhārata Vols. 1-43 (Siddhāntabāgīśa)(13.16.46)