detriment

1. (UK, obsolete) A charge made to students and barristers for incidental repairs of the rooms they occupy.UKcountableobsoleteuncountable

2. (astrology) The position or state of a planet when it is in the sign opposite its house, considered to weaken it.Examples: "Saturn, Jupiter and Mars from their conjunction to their opposition with the Sun are Oriental, and gain two fortitudes; but from their Opposition to their Conjunction are occidental, and incur two detriments."; "DEJECTION [with Astrol.] said of the planets, when in their detriment, i.e. when they have lost their force or influence by reason of being in opposition to some other, which check and contract them."; "This is infallible : Saturn out of all Dignities in his Detriment and Fall, combust : and Venus in the South-angle elevated above him, Lady of both their Nativities, in her essential and accidental Dignities; occidental from the[…]"countableuncountable

3. (heraldry, of the moon) The position or state of being eclipsed, entirely dark (sable).Examples: "Argent, a Moon in her detriment or Eclipse Sable[…]"; "Moon in its Detriment, or Wane"; "Argent; a Moon in her detriment, Sable. This word is used in heraldry to denote her being eclipsed."Antonyms: in complement, in plenitudecountableuncountable