1) An anagram for anil 2) An anagram for nail 3) Anagram for nail 4) Assume a reclining position 5) Be in a horizontal position 6) Be lying, be prostrate 7) Been abed 8) Been in bed 9) Been on a cot 10) Been recumbent 11) Been supine 12) Deposited 13) Done nothing 14) Exclusively Anglo word 15) Exclusively Saxon word 
• (p. p.) of Lie, v. i. • (p. p.) of Lie
Lain past participle of Lie , intransitive verb