pressure gauge, an instrument to measure the pressure of liquids or gases

fishing rod; fishing pole / (uncommon) same as above

angling: fishing with a fishing pole

bailiff (legal officer to whom some degree of authority, care or jurisdiction is committed)

pressure (a force applied to a surface) / pressure, coercion

fishing line

(informal) tree / tree (diagram) / (computing) tree (data structure)

fishing hook, fishhook - a barbed hook, usually metal, used for fishing.

(psychology) misattribution of arousal

papyrus (plant in the sedge family)