What does "hounding" mean?

Hounding: (Naut.) The part of a mast below the hounds and above the deck. HOUND'S-TONGUE Hound's"-tongue`, n. Etym: [AS. hundes tunge.] (Bot.) A biennial weed (Cynoglossum officinale), with soft tongue- shaped leaves, and an offensive odor. It bears nutlets covered with barbed or hooked prickles. Called also dog's-tongue.

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