ACETABULUM

acetabulum, cotyloid cavity

(noun) the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint

Source: WordNet® 3.1

---

Etymology

Noun

acetabulum (plural acetabula or acetabulums)

(anatomy) The bony cup of the pelvis which receives the head of the femur.

(zoology) The cavity in which the leg of an insect is inserted at its articulation with the body.

(zoology) A sucker of the sepia or cuttlefish and related animals.

(zoology) The large posterior sucker of the leeches.

(zoology) One of the lobes of the placenta in ruminating animals.

(Roman Antiquities) A vinegar cup.

(Roman Antiquities) The socket of the hipbone.

(Roman Antiquities) A measure of about one eighth of a pint.

Synonyms

• (bony cup of the pelvis): cotyloid cavity

Source: Wiktionary

---

Ac`e*tab"u*lum, n. Etym: [L., a little saucer for vinegar, fr. acetum vinegar, fr. acere to be sour.]

1. (Rom. Antiq.)

Definition: A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc.

2. (Anat.) (a) The bony cup which receives the head of the thigh bone. (b) The cavity in which the leg of an insect is inserted at its articulation with the body. (c) A sucker of the sepia or cuttlefish and related animals. (d) The large posterior sucker of the leeches. (e) One of the lobes of the placenta in ruminating animals.

Source: Webster’s Unabridged Dictionary 1913 Edition

---

Do you know this game?

Wordscapes is a popular word game consistently in the top charts of both Google Play Store and Apple App Store. The Android version has more than 10 million installs. This guide will help you get more coins in less than two minutes of playing the game. Continue reading Wordscapes: Get More Coins