dimidiate

Adjective

dimidiate (not comparable)

1. Divided into two (equal) halves.

   Synonyms:

   bisected

2. Consisting of only one half of what the normal condition requires; having the appearance of lacking one half.
   • a dimidiate leaf, which has only one side developed
3. Having the organs of one side, or half, different in function from the corresponding organs on the other side.
   • dimidiate hermaphroditism

Verb

IPA/dɪˈmɪdi.eɪt/

dimidiate (third-person singular simple present dimidiates, present participle dimidiating, simple past and past participle dimidiated)

1. (transitive) To divide into two.
   • […] it may be dimidiated: for instance, half a rose and half a lis being stuck together, or half a lis and half an eagle.1915, Guy Cadogan Rothery, ABC of Heraldry, page 175

   Synonyms:

   halve

2. (transitive) To represent one half of, or undergo dimidiation with.
   • […] hybridization in the same vein is the beast shown as supporters to arms granted in 1971, where a unicorn dimidiates a lion rampant.1973, Rhodesiana, numbers 28–31, The Rhodesia Africana Society, page 36