ɐ swˈɑːʃpleɪt, ˈɔːlsoʊ nˈoʊn æz slˈænt dˈɪsk, ɪz ɐ mᵻkˈænɪkəl ˌɛndʒɪnˈɪɹɪŋ dɪvˈaɪs jˈuːzd tə tɹænslˈeɪt ðə mˈoʊʃən əvɚ ɹoʊtˈeɪɾɪŋ ʃˈæft ˌɪntʊ ɹᵻsˈɪpɹəkˌeɪɾɪŋ mˈoʊʃən, ɔːɹ vˈaɪs vˈɜːsə.
A swashplate, also known as slant disk, is a mechanical engineering device used to translate the motion of a rotating shaft into reciprocating motion, or vice versa.