dominical

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Of or associated with Jesus as the Lord.
• adjective Relating to Sunday as the Lord's day.

from The Century Dictionary.

• Of or pertaining to the Lord's day, or Sunday.
• Relating to Christ as Lord: as, the dominical prayer.
• noun The Lord's day; Sunday.
• noun The Lord's house; a building used for religious service.
• noun A dominical letter.
• noun A garment or veil for Sundays. See dominicale.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Indicating, or pertaining to, the Lord's day, or Sunday.
• adjective Relating to, or given by, our Lord.
• adjective (Eccl.) the high altar.
• adjective the letter which, in almanacs, denotes Sunday, or the Lord's day (dies Domini). The first seven letters of the alphabet are used for this purpose, the same letter standing for Sunday during a whole year (except in leap year, when the letter is changed at the end of February). After twenty-eight years the same letters return in the same order. The dominical letters go backwards one day every common year, and two every leap year; e. g., if the dominical letter of a common year be G, F will be the dominical letter for the next year. Called also Sunday letter. Cf. Solar cycle, under Cycle, n.
• noun obsolete The Lord's day or Sunday; also, the Lord's prayer.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective rare Pertaining to the day of the Lord (i.e., Jesus): Sunday.
• adjective Pertaining to the dominical letter, an ancient system for determining Sundays (and especially Easter Sunday) in any given year.
• noun obsolete Sunday
• noun obsolete The Lord's Prayer.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective of or relating to or coming from Jesus Christ
• adjective of or relating to Sunday as the Lord's Day