May

1. To be strong; to have power (over).
2. (auxiliary) To be able; can.
3. To be able to go.
4. (modal auxiliary verb, defective) To have permission to, be allowed. Used in granting permission and in questions to make polite requests.

   you may smoke outside;  may I sit there?

5. (modal auxiliary verb, defective) Expressing a present possibility; possibly.

   he may be lying;  Schrödinger's cat may or may not be in the box

6. (subjunctive present, defective) Expressing a wish (with present subjunctive effect).

   may you win;  may the weather be sunny

7. Used in modesty, courtesy, or concession, or to soften a question or remark.

noun

The hawthorn bush or its blossoms.

1. To gather may, or flowers in general.
2. To celebrate May Day.

noun

A maiden.