Dictionary 1. (n.) The lowest point; the time of greatest depression -- opposite of peak\.2. (n.) That point of the heavens, or lower hemisphere, directly opposite the zenith; the inferior pole of the horizon; the point of the celestial sphere directly under the place where we stand. Thesaurus base baseboard basement bedrock bottom chassis dado foot footing foundation frame keel lower strata lowest level lowest point mopboard shoemold sole toe underlying level wainscot |