What does "planner" mean?

1. (a scheduling tool) a book, app, or document where you write down your appointments and things you need to do. 2. (a person who organizes) someone whose job is to organize a project, an event, or how a city is built.

planner

US //ˈpɫænɝ// UK //plˈænɐ// plan·ner

1 a scheduling tool (n.)
B1 Intermediate

a book, app, or document where you write down your appointments and things you need to do.

a physical notebook or digital application designed for scheduling appointments, tracking tasks, and managing time.

Example

I wrote the meeting time in my planner so I wouldn't forget it.

Example

She consulted her digital planner to ensure the proposed conference dates did not conflict with her existing travel commitments.
2 a person who organizes (n.)
B2 Upper Intermediate

someone whose job is to organize a project, an event, or how a city is built.

an individual responsible for the systematic organization of a project, event, or urban development.

Example

The wedding planner handled all the decorations and the food for the party.

Example

Urban planners are currently debating how to integrate more green spaces into the city's rapidly expanding industrial district.

Origin

From plan + -er.