bell in building which can be rung by visitors outside to signal their arrival.

supposition or system of ideas intended to explain something. Ideas or principles that explain facts or events.

having or emitting clear resonant sound. To produce a sound from a bell, alarm or telephone.

having been thought about carefully. To think carefully about something.

Very strong uncontrollable emotion, e.g. delight. To carry things from one place to another.

As regards medical matters.

person qualified to practise medicine.

gladly received. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.

Plan made in secret to do something illegal.

Worried or anxious. To have a direct impact on someone.

person who gives lectures.

person or thing that produces goods.

frightening.

To currently have.

sympathetically aware of other people's feelings. ability to understand something. To know the meaning of language, what someone says.