Definition of proclinate in US English:

proclinate

adjective

Entomology
  • Of a bristle: that slants or inclines forwards.

Origin

Early 20th century; earliest use found in Transactions of the American Entomological Society. From classical Latin prōclīnātus sloping or leaning forward, use as adjective of past participle of prōclīnāre to cause to lean forward, to incline.