creeping

1. gradual progression of a lesion or tissue growth.
2. prostrate growth pattern of a plant, e.g. c. buttercup (Ranunculus repens), c. caustic (Euphorbia drummondii), c. charlie (Glechoma hederacea), c. Crofton weed (Eupatorium riparium), c. indigo (Indigofera spicata), c. knapweed (Acroptilon repens), c. lantana (Lantana montevidensis), c. mallow (Modiola carolinianum), c. millotia (Millotia greevesii), c. oxalis (Oxalis corniculata), c. saltbush (Atriplex semibaccata).

• c. eruption — see cutaneous larva migrans.
• c. substitution — gradual penetration across a fracture site by osteogenic tissue followed by bone formation.

Prostrate or trailing over the ground or over other plants.

The noun has one meaning:

Meaning #1: a slow creeping mode of locomotion (on hands and knees or dragging the body)
  Synonyms: crawl, crawling, creep

The adjective creeping has one meaning:

Meaning #1: moving or progressing very slowly or laboriously especially by or as if by dragging the body along close to the ground
  Synonym: crawling