1. Limited or intermittent right to enter, use, or interact with something or someone; access that occurs on an irregular or non-permanent basis
The visiting professor has occasional access to the university library.
O professor visitante tem acesso ocasional à biblioteca da universidade.
2. In computing and information systems, temporary permission to use resources or data without regular or continuous privileges
Contractors are granted occasional access to the company's project management system.
Os contratados recebem acesso ocasional ao sistema de gerenciamento de projetos da empresa.