V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry मसूरक
मसूरकmasūrakaA pillow.
A pillow.
Derived forms and compounds
-कम्
A kind of ornament on Indra's banner.
A variety of pearls; Kau. Atmanepada 2.11.29.
A lintel, id est, that is the piece of timber or stone that covers an opening and supports a weight above it; मसूरकमधिष्ठानं वस्त्वाधारं धरातलम् Kāmikāgama 55.22.