係けい柱ちゅうMeanings1nounbollard; bitt; mooring postNautical term for a short post on a dock or ship used to secure mooring lines. The cross-reference 係船柱 is a near-synonym.See also: 係船柱船ふねを係けい柱ちゅうにしっかりと結むすんだ。We tied the boat securely to the bollard.