The word 'Meteorology' refers to -

• Meteorology (Noun)
English Meaning: The branch of science concerned with the processes and phenomena of the atmosphere, especially as a means of forecasting the weather
Bangla Meaning: আবহাওয়াবিজ্ঞান; আবহবিদ্যা।

• অন্য অপশন গুলোর মধ্যে -

• The art of making watches - Horology.
- Bangla Meaning: ঘড়ির নকশা ও নির্মাণবিষয়ক বিদ্যা; ঘড়িনির্মাণবিদ্যা।

• The study of water/ the branch of science concerned with the properties of the earth's water - Hydrology.
- Bangla Meaning:  জলানুসন্ধান বিজ্ঞান।

• The study of written and printed symbols and of writing systems - Graphology.
- Bangla Meaning: হস্তাক্ষর শিল্প।

Source: Accessible Dictionary by Bangla Academy and Oxford Learner's Dictionary.