(UK dialectal) The smallest pig in a litter; runt.
noun
(rare or UK dialectal, Scotland) A pole; (carpentry) the cross rafter of a roof.
A tripod can be formed of three hop poles or barlings. The former can be laid in depths up to 2^ metres and the latter in depths up to about 5 metres at low water if the tidal range does not exceed about 3 metres.