Something which portends or is perceived to portend either a good or evil event or circumstance in the future, or which causes a foreboding; a portent or augury. / A thing of prophetic significance.

(transitive) To be an omen of. / (intransitive) To divine or predict from omens.

In Kenya, small fish dried and milled into flour.

(American spelling) Alternative form of omelette

(historical units of measure) A former small Hebrew unit of dry volume equal to about 2.3 L or 2.1 quarts. / A vessel of one omer. / (Judaism) The sheaf of barley offered on the second day of Passover.

(Judaism) The counting of the omer, that is, the period of 49 days between Passover and Shavuot.

Attended by, or containing, an omen or omens.

(chemistry) any polyunsaturated fatty acid having a double bond between the sixth and seventh carbon atoms from the end of the molecule farthest from the carboxylic acid; although they are essential fatty acids, there is evidence that excess levels can cause a number of diseases

(chemistry) Any polyunsaturated fatty acid having a double bond between the third and fourth carbon atoms from the end of the molecule farthest from the carboxylic acid; they are found in green vegetables and in the oils of fish such as salmon and mackerel; they are essential fatty acids, and seem to be beneficial in reducing the risk of heart disease.

(Judaism, usually with 'the') The 49-day period from the second day of Passover to Pentecost, begun and ended with an offering of a sheaf of barley and noted nightly during evening prayer.