Anapest - metre in poems

Andiron
Angus
answering machine

(anopheles - means useless)

antibiotics - a baby was given two antibiotics to see which works. A friend became lactose intolerant after a dose of antibiotics.
anticoagulant - while thinning blood could lead to other dangers.
antihistamine

(Antinovel)

Apache tribe

Apricot - I knew of them before but learnt of Khubani ka meeta from Hyderabadi friends here.

Arboretum - Where I started first birdwatching session.

Argyle - All those beautiful patterns on shirts.

Arrowroot - In a recipe for mango cupcake

Arroyo - Arizona's trademark.

Artichoke

Artisan bread

Asparagus - sauteed in butter, curry

Athenaeum

autism

auk
avocado - guacamole
Avocet
backpack
badger
badland
baguette