Broach, v. t. [imp. & p. p. Broached p. pr. & vb. n. Broaching.]
 1. To spit; to pierce as with a spit.
    I'll broach the tadpole on my rapier's point.   --Shak.
 2. To tap; to pierce, as a cask, in order to draw the liquor. Hence: To let out; to shed, as blood.
 Whereat with blade, with bloody blameful blade,
 He bravely broached his boiling bloody breast.   --Shak.
 3. To open for the first time, as stores.
    You shall want neither weapons, victuals, nor aid; I will open the old armories, I will broach my store, and will bring forth my stores.   --Knolles.
 4. To make public; to utter; to publish first; to put forth; to introduce as a topic of conversation.
    Those very opinions themselves had broached.   --Swift.
 5. To cause to begin or break out. [Obs.]
 6. Masonry To shape roughly, as a block of stone, by chiseling with a coarse tool. [Scot. & North of Eng.]
 7. To enlarge or dress (a hole), by using a broach.
 To broach to Naut., to incline suddenly to windward, so as to lay the sails aback, and expose the vessel to the danger of oversetting.

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