IPA: /ɪnˈsaɪsəri/
KK: /ɪnˈsaɪsəri/
Describing something that has the ability to cut or is sharp in nature.
The incisory teeth are essential for cutting food effectively.
Incisory is formed from "incidere" (meaning to cut into) and the suffix "-ory" (meaning relating to or characterized by). The word describes something that is related to cutting or sharpness.
Think of 'cutting into' ('incidere') when you remember that 'incisory' refers to something that is related to cutting.