Ma'anar ƙamus na "arcsec" shine taƙaitaccen "arcsecond", wanda shine raka'a na ma'auni da aka yi amfani da shi a ilmin taurari da lissafi don auna kusurwa. Arcsecond yana daidai da 1/60th na arcminute, da 1/3600th na digiri. Ana wakilta ta da alamar "arcsec" ko gajarta "as"
