Meaning of SERPIGINOUS in English

SERPIGINOUS

[ser.pig.i.nous] adj [ME serpiginose, fr. ML serpiginosus, fr. serpigin-, serpigo creeping skin disease, fr. L serpere to creep] (15c): creeping, spreading; esp: healing over in one portion while continuing to advance in another "~ ulcer" -- ser.pig.i.nous.ly adv

Merriam-Webster English vocab.      Английский словарь Merriam Webster.