broach1

verb

• 1raise (a difficult subject) for discussion:he broached the subject he had been avoiding all evening

• 2pierce (a cask) to draw out liquid: he watched a pot boy broach a new cask
• open and start using the contents of (a bottle or other container): boxed wines will remain in good condition for up to four months once broached

• 3 [no object] (of a fish or sea mammal) rise through the water and break the surface:the salmon broach, then fall to slap the water