What does 木头 (mù tou) mean in English?

Card 688HSK 2010 Level 5688/1311
CARD688
PROGRESS52%
木头
木頭
mù tou
slow-witted; blockhead; log (of wood, timber etc); CL:塊|块[kuai4],根[gen1]

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d