匍球 is read as ほきゅう (hokyuu) and means grounder.
ほきゅう
hokyuu
ちきゅう
Earth
やきゅう
baseball
きゅう
counter for pitches
たま
ball (i.e. a testicle)
でんきゅう
light bulb
しきゅう
four balls
ていきゅう
tennis
とうきゅう
pitching
せいきゅう
(pitcher's) control
へんかきゅう
breaking ball (pitch)
ちょっきゅう
straight ball (pitch)
だきゅう
hitting (a ball with a bat, racket, golf club, etc.)