UPON ONE'S GUARD
\əpˌɒn wˈɒnz ɡˈɑːd], \əpˌɒn wˈɒnz ɡˈɑːd], \ə_p_ˌɒ_n w_ˈɒ_n_z ɡ_ˈɑː_d]\
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By Princeton University
Word of the day
hydromorphic
- [Greek] Structurally adapted to an aquatic environment, as organs of water plants.