sleeve
maniche
MAH-nee-kah
'Maniche corte' = short sleeves. 'Maniche lunghe' = long sleeves. 'Rimboccarsi le maniche' = to roll up one's sleeves (also figurative: to get to work).
Arrotola le maniche per lavorare.
He rolls up his sleeves to work.
La camicia ha le maniche corte.
The shirt has short sleeves.