UNDEFATIGABLE
\ˌʌndɪfˈatɪɡəbə͡l], \ˌʌndɪfˈatɪɡəbəl], \ˌʌ_n_d_ɪ_f_ˈa_t_ɪ_ɡ_ə_b_əl]\
Definitions of UNDEFATIGABLE
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Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.