Adjective
stockless (not comparable)
Lacking stock (in various senses).
a stockless anchor
a stockless delivery system
In contrast to the elaborate stowage procedures for earlier anchors, stockless anchors are simply hauled up until they rest with the shank inside the hawsepipes, and the flukes against the hull (or inside a recess in the hull). Source: Internet
While there are numerous variations, stockless anchors consist of a set of heavy flukes connected by a pivot or ball and socket joint to a shank. Source: Internet