flight feather

(redirected from Retrix)
Also found in: Dictionary, Thesaurus, Encyclopedia.

flight feather

n.
Any of the comparatively large, stiff feathers of a bird's wing or tail that are necessary for flight.
References in periodicals archive ?
At least 20 more airport jobs will land with Retrix's arrival, along with healthy competition at the facility.
The lengths of the longest retrix, unflattened wing cord, and tarsus length (as described in Pyle et al., 1987) were measured for specimens of breeding-plumaged males of all species and subspecies of Euplectes available at the National Museums of Kenya in Nairobi and the American Museum of Natural History in New York.
Character [r.sub.s] P(1) Outer retrix 0.11 0.614 Wing chord 0.08 0.712 Hind toe 0.35 0.086 Tarsus length 0.05 0.829 Bill depth 0.16 0.447 Bill width 0.13 0.541 Gape 0.45 0.023(*) Culmen 0.19 0.351 Skull width 0.19 0.359 Skull length 0.31 0.133 Coracoid length 0.06 0.787 Scapula length 0.08 0.701 Sternum length 0.21 0.314 Keel depth 0.03 0.901 Synsacrum width 0.50 0.012(*) Femur width 0.04 0.838 Femur length 0.11 0.603 Tibiotarsus length 0.03 0.890 Humerus length 0.24 0.242 Ulna length 0.05 0.827 PC1 all 0.05 0.801 PC2 all 0.06 0.790 PC3 all 0.17 0.414 PC1 skeletals 0.06 0.770 PC2 skeletals 0.01 0.945 PC3 skeletals 0.18 0.387 PC1 externals 0.06 0.762 PC2 externals 0.08 0.707 PC3 externals 0.01 0.968 (1) Test of [H.sub.o]: no correlation between heterozygosity (H) and character CV.