Definition of rasorial in US English:

rasorial

adjective

Ornithology
  • Originally: †of, relating to, or designating the former order Rasores (obsolete). Later: designating or characteristic of a bird that scratches the ground to obtain food (now rare).

Origin

Mid 19th century; earliest use found in Prideaux John Selby (1788–1867), naturalist. From scientific Latin Rasores + -ial.

Pronunciation

rasorial

/rəˈsɔːrɪəl/