[f. BOOM sb.2; in sense 1 b app. directly from Du. boomen ‘to push with a pole,’ as the sb. appears not to be used in this sense. Cf. BOLM.]

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  1.  Naut. (trans.) a. To boom out: to extend (the foot of a sail) with a boom. b. To boom off: to push (a vessel) off with a pole.

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1627.  Capt. Smith, Seaman’s Gram., ix. 41. With a Boome boome it out.

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1840.  Marryat, Poor Jack, xxxv. We boomed her off from the Wharf.

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1857.  S. Osborn, Quedah, vi. 72. Again we ran almost upon her, our sails being at the time boomed out ‘wing and wing.’

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  2.  To furnish (a river or piece of water) with a boom to retain floating timber; to collect (logs or timber) in a boom. N. America. See BOOM sb.2 4.

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1879.  Lumberman’s Gaz., 1 Oct. Numerous lakes communicating with the main Slough have been boomed.

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  3.  Cf. BOOMING vbl. sb. 2.

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