tergumn.
/ˈtəːɡəm/ In special scientific uses (synonymous with dorsum n.).
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1. The back, or upper surface or portion, of an arthropod or other articulated animal; more usually, the upper plate of each somite or segment of such an animal (= tergite n.): opposed to sternum.
1826 W. Kirby & W. Spence Introd. Entomol. III. 387 Tergum, the upper or supine surface of the abdomen.
1880 T. H. Huxley Crayfish iii. 96 Each ring [of the abdomen] consists of a dorsal, arched portion, called the tergum [etc.].
2. Each of the two upper plates of the shell in cirripeds.
ΚΠ
1851 C. Darwin Monogr. Cirripedia (Palæont. Soc.) Introd. 2 In almost all the Lepadidæ the Terga (i.e. the upper or posterior lateral valves) are not characteristic.
This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2021).
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n.1826- to leave up
- to leave well
- to leave well alone
- to leave well enough alone
- to leave wide open
- to leave wide open to something
- to lecture it
- to leese one's life-days
- to leese one's lifedays
- to leftward
- to leftward of
- to leg along
- to leg it
- to leg out
- to leg through
- to lend a a helping hand
- to lend a deaf ear
- to lend a hand
- to lend a shoulder
- to lend an ear or one's ears
- to lend an open ear
- to lend audience
- to lend colour
- to lend colour to
- to lend credence to