- under [un′dər]prep.[ME < OE, akin to Ger unter < IE * ṇdhos, *ṇdheri, under > L infra, below]1. in, at, or to a position down from; lower than; below [shoes under the bed, under a blazing sun]2. beneath the surface of [under water]3. below and to the other side of [we drove under a bridge]4. covered, surmounted, enveloped, or concealed by [to wear a vest under a coat]5.a) lower in authority, position, power, etc. thanb) lower in value, amount, etc. than; less thanc) lower than the required or standard degree of [under the age specified for the job]6. in a position or condition regarded as lower than or inferior to, or implying subordination to; specif.,a) subject to the control, limitations, government, direction, instruction, or influence of [under orders from the President, under oath, born under Aries]b) burdened, oppressed, or distressed by [under a strain]c) subjected to; undergoing [under an anesthetic, under repair]7. with the character, pretext, disguise, or cover of [under an alias]8. in or included in (the designated category, division, class, etc.) [spiders are classified under arachnids]9. during the rule of [literature flourished under Elizabeth I]10. being the subject of [the question under discussion]11. having regard for; because of [under the circumstances]12. authorized or attested by [under her signature]13. planted with; sown with [an acre under corn]adv.1. in or to a position below something; beneath2. beneath the surface, as of water3. in or to a condition that is subordinate4. so as to be covered or concealed5. less in amount, value, etc.; not so much [costing two dollars or under]adj.lower in position, authority, rank, amount, degree, etc.
English World dictionary. V. Neufeldt. 2014.