[*** \mathrm{spar}^1] |spär|

a thick, strong pole such as is used for a mast or yard on a ship.

〘海〙 円材〘帆柱･帆桁など〙

the main longitudinal beam of an airplane wing.

〘空〙 (飛行機の)翼桁

Middle English: shortening of Old French esparre, or from Old Norse sperra; related to Dutch spar and German Sparren.

[*** \mathrm{spar}^2] |spär|

source: https://mamodos.tumblr.com/post/122949997837

verb (spars, sparring, sparred) no object

make the motions of boxing without landing heavy blows, as a form of training:

〘ボクシング〙 «…と» スパーリングする «with»

e.g. one contestant broke his nose while sparring.

engage in argument, typically of a kind that is prolonged or repeated but not violent:

«…と/…のことで» 意見を交わす, 口論する «with/over» .

e.g. mother and daughter spar regularly over drink, drugs, and career.

(of a gamecock) fight with the feet or spurs.

1. a period or bout of sparring.

2. informal a close friend.

Old English sperran, spyrran‘strike out’, of unknown origin; compare with Old Norse sperrask ‘kick out’.

[*** \mathrm{spar}^3] |spär|

noun usually in combination or with modifier

a crystalline, easily cleavable, light-colored mineral.

〘鉱〙 へげ石, スパー〘鉄平石など光沢のあるはがれやすい鉱物の総称〙

sparry adjective

late 16th century: from Middle Low German; related to Old English spærstān‘gypsum’.