(bound form) the main part of something; trunk of a tree; main line or artery

(literary) the railing or curb around a well

(bound form) tree trunk; the main part of something; the core or skeleton of a structure

(bound form) an official or cadre; a person in a leadership or management position

(literary) a wooden post or pillar set at the ends of a wall during construction to keep it straight and prevent collapse

(literary) the railing or wall around a well; the frame above a well that supports a windlass