bottom (n.) 6
[nautical: keel, hull] ship, vessel
H5 III.Chorus.12 [Chorus] behold the threaden sails ... / Draw the huge bottoms through the furrowed sea
KJ II.i.73 [Chatillon to King Phillip, of the English army] a braver choice of dauntless spirits / Than now the English bottoms have waft o'er / Did never float upon the swelling tide
MV I.i.42 [Antonio to Salerio] My ventures are not in one bottom trusted [i.e. ship's hold]
TN V.i.54 [Orsino to Viola as Cesario, of Antonio] such scatheful grapple did he make / With the most noble bottom of our fleet