Correct spelling for the English word "speldings" is [spˈɛldɪŋz], [spˈɛldɪŋz], [s_p_ˈɛ_l_d_ɪ_ŋ_z] (IPA phonetic alphabet).
In Scot., haddocks or whitings cured and dried in a particular way.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.