Abstinence from sensual glance- A Bhāvanā (4) (supportive contemplation) of the Brahmacarya Mahāvrata (the fourth great vow of celibacy);
to abstain from casting amorous looks at sexually arousing parts of woman's body.
manoharāṇi mānonmānalakṣanayuktāni darśanīyāni mṛjāvantīndriyāṇi... tadālokanādyuparatiḥ śreyasīti bhāvayet.
(TaBhā 7.3 Vṛ)