| 单词 | ballaster | 
| 释义 | † ballastern. Obsolete.   A person (esp. an official) who supplies ships with ballast. ΘΚΠ society > travel > travel by water > one who travels by water or sea > associated shore-based personnel > 			[noun]		 > one who provides ballast ballast-man1575 ballaster1659 1659    Orig. Jrnls. House of Commons 30 July 48 f. 51  				The office of Ballaster & of lading lastage and ballasting of shipps & vessells. a1861    T. Winthrop Life in Open Air & Other Papers 		(1863)	 56  				Such was our guide, the captain, steersman, and ballaster of our vessel. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online June 2018). <  | 
	
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