संस्‍कृतशब्‍दकोशः

उल्बण

घना‚ गाढ़ा‚ भास्वर‚ अत्यधिक‚ पूर्ण‚ विपुल‚ प्रोद्भूत‚ दुःसह

thick, dense, shining, exceeding, full of, large and extensive, sprung up or arisen, hard to bear

Monier–Williams

उल्बण — {ulbáṇa} or n. the membrane enveloping the embryo TĀr. i, 10, 7