English

Noun

gastronaut ‎(plural gastronauts)

1. A person with a keen appreciation for food.
   • 2009, James Steen, "Epilogue", in Stirred But Not Shaken (by Keith Floyd), Pan Books (2010), ISBN 9780330511582, page 353:

     For confirmation, just think of the millions of people who, after watching Keith, were inspired to cook, eat, drink; to become a gastronaut and savour — truly relish — every morsel, every drop, every bloody bit of it!

2. A person whose whole focus is narrowly directed to the enjoyment of fine food.

Synonyms

• (one who appreciates food): chowhound, foodie, gourmand, gourmet