Quadrifidæ (kwodrifide)

pl. [NL., fem. pl. of L. quadrifid us, four-cleft: see quadrifid.] În entom., a section of noctuid moths; one of the two prime divisions of noctuid moths in Guenée's cla ification. It includes all those families in which the median vein of the hind wings has four branches. It contains the largest of the noctuids, and the forms are mainly American and East Indian. The character which gives the name is not a stable one, and the term has nearly fallen into disuse. quadrifocal (kwod-ri-foʻkal), a. [L. quattuor ( quadri- ), = E. four, + focus, focus: see focus, focal.] Having four foci. quadrifoliate (kwod-ri-foʻli-āt), a. [L. quat tuor ( quadri- ), = E. four, + folium, leaf: see foli ate.] In bot., four-leaved. (a) Having the leaves whorled in fours. (b) Same as quadrifo liolate: an incorrect use. quad rif olio late (kwod-rifo'li-o-lāt), a. [ L.quat tuor ( quadri- ), = E. four, + foliolus, leaflet.] In bot., having four leaflets: said of a compound leaf. quadriform (kwod'ri-form), a. [ Quadrifoliate Stem of Ascle pias quadrifolia. We can also apply the principle of group-flashing as easily to a fourfold light as to a single light. According to the number of tiers employed, the arrangement was to be named Biform, Triform, Quadriform. Fortnightly Rev., N. S., XLIII. 815.