n. pl.1.(Zool.) A group of bivalve mollusks destitute of siphons, as the oyster; the asiphonate mollusks.
References in periodicals archive ?
SHAPFACED shap-faced, OED shap, 1882q HARRISONI eg Stauroneis harrisoni gracilis, ITISp ARMORINGS OED orgone, 1949q PROLEPTIC OED FIRESHINE OED fire, 1871q ASIPHONEA Webl (mollusc) CONTINUES OED continue ENGINEERS OED engineer DISCEASSE OED decease, verb SHAPFACED shap-faced, OED shap, 1882q HYDROVAN OED ADHERENTS OED adherent PRESENTER OED FORESTORE OED fore-, 5b (solid) AVENTURLY OED adventurely CANTORIAN OED ENTERLACE OED; OR ENTERLADE OED DESREYNER OED deraign, 1292q (really French) This could alternatively end with: ENGINEERY OED DISCEASYD OED disseise 1494q The next most popular top row words were many to be found heading about 0.