(mathematics, in two dimensions) Describing a simple spiral that starts at a point at the origin and does not divide the plane / (mathematics, in three dimensions) Describing a section of a simple helix

(idiomatic) A direct, somewhat impolite demand to ask someone to move out of the way.

(idiomatic) A place where things are stored or reserved, as in:

(idiomatic) The entire set of persons or things within a given domain, considered both as separate individuals and collectively.

(philosophy) monism

Present and involved in the life of a person.

Taken all together; taken on the average.

(informal, with for) Someone particularly enthusiastic about an activity.

Any event lasting one day. / (cricket, informal) A one-day match.

While one is doing that; while one is carrying out that action (referring to another action one could accomplish at the same time.)