Spar

лонжеро́н крыла́

lonžerón krylá

(aeronautics: beam-like structural member)

ранго́ут

rangóut

(nautical: linear object used as a mast, sprit, yard, boom, pole or gaff)

столб

stolb

(thick pole)

шпат

špat

(any crystal with readily discernible faces)

вести тренировочный бой

trenirovočnyj

(to fight, especially as practice for martial arts or hand-to-hand combat)

спарринговать

sparringovatʹ

(to fight, especially as practice for martial arts or hand-to-hand combat)