Lurk

-verb (used without object)

1. To lie or wait in concealment, as a person in ambush; remain in or around a place secretly or furtively.

2. To go furtively; slink; steal.

3. To exist unperceived or unsuspected.

4. Chiefly Computers. To read or observe an ongoing discussion without participating in it, as in an Internet newsgroup.

5. An underhand scheme; dodge.

6. An easy, somewhat lazy or unethical way of earning a living, performing a task, etc.

7. A hideout

Origin: 1250-1300; ME lurken, Norw. lurka to sneak away

-Related Forms:

Lurker, noun.