Examples from literature

• A regiment might have been hiding behind the boles of the trees without him being one whit the wiser. 
• He was stealthy in returning, keeping behind the trees, and slipping softly from bole to bole. 
• Its bark was smooth and trim, its bole well set and solid. 
• The girl was leaning against the storm-ripped bole of a fallen tree. 
• Young tulip-trees about fifteen inches in diameter were cut down and their boles sawed into lengths of three feet.