Ekacūḍā (Ekachuda) is one of the mātṛkā (matrika; lesser female deity) who were present as an associate during the abhiṣeka (abhisheka; corronation ceremony) of Skanda-Kārtikeya (Kartikeya).

Mahābhārata (Kinjawadekar)(9.46.5)
Mahābhārata Vols. 1-43 (Siddhāntabāgīśa)(9.42.52; see footnote, verse no. 5 (vol. 29, p. 478))