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 चटु
चटुcaṭuटु [ṭu], टु n. [ट उन्]
टुṭu, टुNeuterट उन्
Kind or flattering words; छायां निजस्त्रीचटुलालसानाम् Śi.4.6; see चाटु.