n.
a. [ From Fishing, n. ] Pertaining to fishing; used in fishery; engaged in fishing;
Fishing fly,
Fishing line,
Fishing net,
Fishing rod,
Fishing smack,
Fishing tackle,
Fishing tube (Micros.),
n. An investigation searching for evidence of wrongdoing, with no credible evidence of such wrongdoing available at the outset of the investigation, and often without specifying in advance the wrongdoing to be proven. [ metaphorical ] [ PJC ]