- a quarter
- areawise
- archaeozoology
- animal sacrifice
- ascending gradient
- ascending or descending order
- ascending
- ascending limb
- ascending order
- animal toxicity
- animal trainer
- arcus tendineus
- actinometrical
- a steam_boat
- acentric chromosome
- acrocentric chromosome
- a lower under_ wear
- a long (partly covered) boat
- a fried saltish vegetable stuffed gram flour preparation
- a large canoe
- a hypnotis
- allelic
- a friend of friends
- allelochemicals
- allelomorphic
- a rower
- a sail (of a boat etc.)
- a mushroom
- aril
- a jaw
- an ancient gold_ coin
- arthur garfield hays
- asian tiger mosquito
- aurochs
- aurogeneous vaccine
- aurist
- ahmedabad
- a year book
- a wisher
- anxiously desirous
- amber_coloured bottle
- ajuga genevensis
- ague grass
- ague root
- admiralty island
- admiralty law
- Arabis turrita
- abronia fragrans
- Abronia villosa
- abronia maritima