Entry 3 senses · 2 variants Webster, 1913 Oxytone /ŏk'sĭtōn"/ · Ox·y·tone · IPA /ˈɑksɪˌtoʊn/ a. n. 01 a. Having an acute sound; (Gr. Gram.), having an acute accent on the last syllable. 1. Having an acute sound; (Gr. Gram.), having an acute accent on the last syllable.(Gr. Gram.) 02 n. An acute sound. 1. An acute sound. 2. A word having the acute accent on the last syllable.(Gr. Gram.)