From King Dictionary of Contemporary English
Related topics: Plants
bolebole /bəʊl $ boʊl/ noun [countable] literaryHBP the main part of a tree SYN trunk
Examples from the Corpus
boleOn the north-east corner is the cellar, complete with winter bee boles and a drainage channel out to the moat.However, the sites are usually near a buttress or a fallen bole.She sat down and leaned against the bole of the tree, watching him.A tall, dark figure in the shadows, leaning against the bole.These stately craft are an awe-inspiring sight, each carved from the bole of single great ironwood tree.Ellwood stood close to the bole of an apple tree and watched the bar.
Origin bole (1300-1400) Old Norse bolr