person in charge of staff or organization.

sadness or displeasure caused by non-fulfilment of one's hopes or expectations. Feeling or state of not being satisfied.

tip of wing of aircraft or of bird.

action of collecting. Acts of asking for money for a debt or a charity.

building in which objects of historical, scientific, artistic, or cultural interest are stored and exhibited. Buildings to display art/science/history objects.

circumstance making progress difficult. Races in which the fastest horses carry weights. To add weight to horses in a race.

To hold a thought in your mind to not forget it.

Muslim place of worship. Muslim temples or places of worship.

season after winter and before summer, in which vegetation begins to appear, in northern hemisphere from March to May. Coils of metal that lessen impact, e.g. on cars. To jump into the air.

(Of past event) having an effect on future; famous.

each of four divisions of year. Times of year when some things usually happen. add salt, herbs, pepper, or other spices.

fashionable. event or occurrence. To take place or occur.

fasten in compact group.

Zoologist who studies insects.

A law limiting the growth or spread of something. To direct or influence the behavior of something.