Noun crawler has 3 senses
  1. sycophant, toady, crawler, lackey - a person who tries to please someone in order to gain a personal advantage
    --1 is a kind of flatterer, adulator
    --1 has particulars:
     apple polisher, bootlicker, fawner, groveller, groveler, truckler, ass-kisser; goody-goody
    Derived form: verb crawl4
  2. crawler, creeper - a person who crawls or creeps along the ground
    --2 is a kind of person, individual, someone, somebody, mortal, human, soul
    Derived form: verb crawl1
  3. earthworm, angleworm, fishworm, fishing worm, wiggler, nightwalker, nightcrawler, crawler, dew worm, red worm - terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
    --3 is a kind of oligochaete, oligochaete worm
    --3 is a member of Oligochaeta, class Oligochaeta
    Derived form: verb crawl1
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