noun

• (nautical) Chiefly in wide berth: a sufficient space in the water for a ship or other vessel to lie at anchor or manoeuvre without getting in the way of other vessels, or colliding into rocks or the shore.
  "Tho' vve vvere again got near our harbour by three in the afternoon, yet it ſeemed to require a full hour or more, before vve could come to our former place of anchoring, or birth, as the captain called it."
• (nautical) Chiefly in wide berth: a sufficient space in the water for a ship or other vessel to lie at anchor or manoeuvre without getting in the way of other vessels, or colliding into rocks or the shore.
  "And vvhen he had ſhevvn me their birth (as he called it) I vvas filled vvith aſtoniſhment and horror.—VVe deſcended by divers ladders to a ſpace as dark as a dungeon, vvhich I underſtood vvas immerſed ſeveral feet under vvater, being immediately above the hold: I had no ſooner approached this diſmal gulph, than my noſe vvas ſaluted vvith an intolerable ſtench of putrified cheeſe, and rancid butter, […]"
• (nautical) Chiefly in wide berth: a sufficient space in the water for a ship or other vessel to lie at anchor or manoeuvre without getting in the way of other vessels, or colliding into rocks or the shore.
  "Passengers their births are clapt in, / Some to grumble, some to spew. / 'Hey day! call you that a cabin? / Why 'tis hardly three feet square; / Not enough to stow Queen Mab in— / Who the deuce can harbour there?'"
• (nautical) Chiefly in wide berth: a sufficient space in the water for a ship or other vessel to lie at anchor or manoeuvre without getting in the way of other vessels, or colliding into rocks or the shore.
  "He was now a temperate man for life, and capable of filling any berth in a ship, and many a high station there is on shore which is held by a meaner man."

verb

• (transitive)
  ""The Henery," being let loose to drive up the river of herself, did run up as high as the bridge, and broke down some of the rails of the bridge, and so back again with the tide, and up again, and then berthed himself so well as no pilot could ever have done better; […]"
• (transitive)
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verb

• (archaic or historical) Chiefly in shipbuilding: to construct (a ship or part of it) using wooden boards or planks; to board, to plank.
  "VVhen you haue berthed or brought her [the ship] vp to the planks, vvhich are thoſe thicke timbers vvhich goeth fore and aft on each ſide, vvhereon doth lie the beames of the firſt Orlop, vvhich is the firſt floore to ſupport the plankes doth couer the Hovvle, thoſe are great croſſe timbers, that keepes the ſhip ſides aſunder, the maine beame is euer next the maine maſt, […]"