In an ape, the space between the upper lateral incisor and the canine that accommodates a large, projecting lower canine is a:

Answer: diastema

Explanation:

Diastema is condition in which a gap develops in between the two teeth. The spaces or gaps develop in the upper front teeth. The space or gap may appear between the biting teeth (canines or incisors) and in between the grinding teeth (molars or premolars). This occurs when there is unequal relationship develop between the size of jaw and teeth. The space can be too large that it can accommodate the parts of lower canine.

According to the above description, the condition can be considered as diastema.