A citrus tree of the species Citrus limetta.
The fruit of these species.
A citrus tree of the species Citrus ×aurantium, also called Citrus aurantium.
A small citrus tree (Citrus reticulata) with fruit resembling the orange.
The fruit of this tree, smaller than an orange and oblate. In daily usage, it may include other similar citrus fruits like Citrus unshiu (satsuma or mikan) Citrus tangerina (tangerine).