Laestrygonian UK /ˌlɛstɹɪˈɡəʊni.ən/US /ˌlɛstɹɪˈɡoʊni.ən/adjective 1noun 1forms 1 adjective1 •Of or relating to that tribe. noun1 •A member of a mythical Greek tribe of man-eating giants.Before town they met a maiden drawing water, the stately daughter of the Laestrygonian Antiphades. — 1900 formsLaestrygonians