Ma'anar ƙamus na cannabis tsiro ne daga cikin nau'in Cannabis, musamman ɗayan nau'ikansa waɗanda ke samar da abubuwa masu motsa rai kamar tetrahydrocannabinol (THC). Ana amfani da tabar wiwi sau da yawa don abubuwan da ke canza tunani, amma kuma yana da kaddarorin magani kuma ana iya amfani dashi don rage zafi, tashin zuciya, da sauran yanayi. Ana kuma san shi da wasu sunaye kamar su marijuana, sako, wiwi, da hemp.