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 कीकस
कीकसkīkasaa.Hard, firm.
Hard, firm.
Derived forms and compounds
-सम् A bone (Masculine\ also); Mv.5.19; Compare 'कीकसं कुल्यमस्थि च' Ak; अचिरनष्टहिमागम- कीकसभ्रमकृतां Rām. ch.4.86.