1) Chemoreceptor 2) Flavor savorer 3) Flavor sensor 4) Food sensor 5) Gustatory organ 6) Gustatory sensor 7) One might sense bitterness 8) Oral sensor 9) Palate sensor 10) Receptor cell 11) Receptor of a sweet sensation 12) Saltiness sensor 13) Sensational thing 14) Sweetness sensor 15) Taste bud 16) Tongue part 
[n] - an oval sensory end organ on the surface of the tongue
taste bud noun an oval sensory end organ on the surface of the tongue