WordNet (r) 3.0 (2006):
Shepard n 1: United States author of surrealistic allegorical plays (born in 1943) [syn: Shepard, Sam Shepard] 2: astronaut who made the first United States' suborbital rocket-powered flight in 1961 (1923-1998) [syn: Shepard, Alan Shepard, Alan Bartlett Shepard Jr.]