Artificial intelligent assistant

rung-head

rung-head Shipbuilding. Obs.
  [f. rung n. 4 + head n.1]
  (See quots.)

a 1625 Nomenclator Navalis (Harl. MS. 2301), Rungheads are the heads or endes of the Rungs... Also more generally, the outward ends of Hooks which are in the same manner compassing are called Rungheads; for the Sleeper which is boulted into the other Rungheads is also boulted into theise, and they saie it is bolted fore and aft to the Rungheads. 1691 T. H[ale] Acc. New Invent. 48 The reaching of the Ship crackt every seam of her from the rung-heads upwards. 1769 Falconer Dict. Marine (1780), Rung-heads, a name sometimes given by shipwrights to the upper ends of the floor-timbers, which are otherwise more properly called floor-heads. 1863 A. Young Naut. Dict. (ed. 2), Rung⁓heads,..a name formerly given to the floor-heads.

Oxford English Dictionary

yu7NTAkq2jTfdvEzudIdQgChiKuccveC a3b80f4a8d547e92a8e6062fbf840c8a