From WordNet (r) 2.0 (August 2003) [wn]:
grilled
adj 1: cooked by radiant heat (as over a grill) [syn: broiled]
2: cooked over an outdoor grill [syn: barbecued]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Grill \Grill\, v. t. [imp. & p. p. Grilled; p. pr. & vb. n.
Grilling.] [F. griller, fr. gril gridiron, OF. gra["i]l, L.
craticulum for craticula fine hurdlework, a small gridiron,
dim. of crates hurdle. See Grate, n.]
[1913 Webster]
1. To broil on a grill or gridiron.
[1913 Webster]
Boiling of men in caldrons, grilling them on
gridirons. --Marvell.
2. To torment, as if by broiling. --Dickens.
[1913 Webster]
3. To stamp or mark with a grill.
[Webster 1913 Suppl.]