noun.
The process of cutting teeth; teething.
noun.
The time during which teeth are being cut.
noun.
The kind, number, and arrangement of the teeth proper to any animal: as, the carnivorous dentition, in which the teeth are normally specialized as incisors, canines, premolars, and molars; the rodent dentition, in which some or all of the teeth grow indefinitely from persistent pulps, the incisors are scalpriform, and canines are absent; the monophyodont dentition, in which there is but one set of teeth; the diphyodont dentition, in which there are two sets of teeth, etc.
noun.
the state of being toothed or dentate; denticulation.