procumbent
adj.
"leaning forward," 1660s, from Latin procumbentem (nominative procumbens), present participle of procumbere "to fall forward, fall prostrate," from pro "forward" (see pro-) + -cumbere "to lie down" (see succumb). Related: Procumbently.
〔李〕[pro-=forward向前；cumb=to lie躺；-ent a.=-ing……的→“lying forward向前卧着的”→] a. leaning forward;prostrate;prone前俯的；平卧的；爬在地下的