crawler

/ˈkrɔlər/
noun
  1. A person or animal that moves on hands and knees or close to the ground.
    • A slow crawler on the hiking trail held up the group.
    • The baby is a fast crawler now and gets into everything.
    • The turtle is a steady crawler across the sand.
  2. A computer program that automatically scans and indexes websites for search engines.
    • A web crawler collects data from online stores for price comparisons.
    • Google's crawler visits millions of pages every day.
    • The website was redesigned to be easier for search engine crawlers to read.
  3. A vehicle or machine that moves on continuous tracks (like a tank or bulldozer).
    • The army's crawler transported equipment across the muddy field.
    • The construction crew used a crawler to move heavy rocks.
    • A crawler tractor can drive over rough terrain easily.
What does "crawler" mean? | whatsthatwordmean | whatsthatwordmean