n. [ L. cubitum, cubitus; elbow, ell, cubit, fr. (because the elbow serves for leaning upon) cubare to lie down, recline; cf. Gr. ky`biton elbow, ky`ptein to bend, stoop, kyfo`s bent, stooping, humpbacked. Cf. Incumbent, Covey. ] 1. (Anat.) The forearm; the ulna, a bone of the arm extending from elbow to wrist. [ Obs. ] [ 1913 Webster ]

2. A measure of length, being the distance from the elbow to the extremity of the middle finger. [ 1913 Webster ]

☞ The cubit varies in length in different countries, the Roman cubit being 17.47 inches, the Greek 18.20, the Hebrew somewhat longer, and the English 18 inches. [ 1913 Webster ]

a. [ L. cubitalis. ] 1. Of or pertaining to the cubit or ulna; as, the cubital nerve; the cubital artery; the cubital muscle. [ 1913 Webster ]

2. Of the length of a cubit. Sir. T. Browne. [ 1913 Webster ]

n. A sleeve covering the arm from the elbow to the hand. Crabb. [ 1913 Webster ]

a. Having the measure of a cubit. [ 1913 Webster ]

‖n. [ NL., fr. L. de- + cubare, to lie down: cf. F. décubitus. ] (Med.) An attitude assumed in lying down; as, the dorsal decubitus. [ 1913 Webster ]

a. [ L. discumbere, discubitum, to lie down, recline at table; dis- + cumbere (in comp.) to lie down. ] Leaning; fitted for a reclining posture. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

‖n. [ LL. excubitorium; ex out + cubare, cubitum, to lie. ] (Eccl. Antiq.) A gallery in a church, where persons watched all night. [ 1913 Webster ]

n. [ Cf. L. incubitus. ] Incubation. [ Obs. ] J. Ellis. [ 1913 Webster ]