lunule

n. 半月形的东西

发音

/ˈluː.njuːl/

词形变化

lunules 复数 lunules

释义与例句

n.
  1. 1.

    Anything crescent-shaped; a crescent-shaped part or mark; a lunula or lune.

    A healthy lunule is usually most prominent on the thumb and may be invisible on the pinky finger.

    The architect incorporated a lunule design into the arched windows of the cathedral.

  2. 2.

    An area in front of the beak of many bivalve shells, sometimes shaped like a double crescent, but more often heart-shaped.

词汇关系

名词

同义词 2

half-moon lunula

上位词 2

area region

整体词 1

nail

词源

Borrowed from French lunule, from Latin lūnula, diminutive of lūna (“moon”). By surface analysis, luna + -ule.

来源：wiktionary