SEMICIRCULAR ARCH
\sˌɛmɪsˈɜːkjʊləɹ ˈɑːt͡ʃ], \sˌɛmɪsˈɜːkjʊləɹ ˈɑːtʃ], \s_ˌɛ_m_ɪ_s_ˈɜː_k_j_ʊ_l_ə_ɹ ˈɑː_tʃ]\
Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.