Projection/prəˈdʒekʃn/ Definition 1 of 5Pro Tip 1/3Physical Object Refers to a literal part extending from a surface, not a concept. The rock had several sharp projections that made it difficult to climb. Pro Tip 2/3Use in Descriptions Often used to describe physical characteristics of objects or structures. The sculpture's angular projections created an imposing presence. Pro Tip 3/3Not Always Visible Can refer to parts that are not immediately obvious but are extendable. The camera has a hidden lens projection that pops out when in use.