spurious wing(n = noun.animal) alula, bastard wing - tuft of small stiff feathers on the first digit of a bird's wing;
is a kind of feather, plumage, plume
is a part of wing

barbecued wing, bastard wing, buffalo wing, chicken wing, fore wing, left wing, on the wing, right wing, rotary wing, sea wing, spurious, spurious correlation, turkey wing, water wing, wing, wing case, wing chair, wing commander, wing elm, wing flat, wing it, wing loading, wing nut, wing screw, wing shooting, wing tip