Nautical mast, yard, yard-arm, boom, boomkin, gaff, jigger, mizen, Colloq stick, pole:
The first gusts of the storm tore the remaining canvas from the spars.
1 fight, box, exchange blows; shadow-box:
He was once the champion's sparring partner.
2 dispute, argue, bicker, squabble, wrangle, bandy words, have words; fight, Colloq scrap:
I have better things to do than spar with you over breakfast every day.