英和和英

語源

From Latin biceps (“double-headed, two peaked”), from bis (“double”) + caput (“head”).

発音

• (英国発音, 米国発音) IPA^(key): /ˈbaɪ.sɛps/

名詞

biceps (複数形 biceps または bicepses)

1. (anatomy) Any muscle having two heads.
   • 1901, Michael Foster, Lewis E. Shore, Physiology for Beginners, page 73:

     The leg is bent by the action of the flexor muscles situated on the back of the thigh, the chief of these being called the biceps of the leg.

2. Specifically, the biceps brachii, the flexor of the elbow.
   • 1996, Robert Kennedy, Dwayne Hines II, Animal Arms, page 21:

     The arm muscles are the show muscles of the physique. When someone asks to "see your muscles," they are most likely referring to your arms, and more specifically, your biceps.

3. (informal) The upper arm, especially the collective muscles of the upper arm.
   • 1964 Dec, “Muscles are His Business”, in Ebony, volume 20, number 2, page 147:

     Today, Stonewall's flexed biceps measure 18 inches around.

   • 2005, Lisa Plumley, Once Upon a Christmas, page 144:

     Biting her lip, she held his biceps for balance and waded farther.

   • 2017, Neil Gaiman, Norse Mythology, Bloomsbury Publishing, page 42:

     Odin examined the arm-ring, then pushed it onto his arm, up high on his biceps.

4. (prosody) A point in a metrical pattern that can be filled either with one long syllable (a longum) or two short syllables (two brevia)
   • 1987, Martin Litchfield West, Introduction to Greek Metre:

     Also it is advisable to distinguish this ( ˘ ˘ ) — ˘ ˘ — rhythm, where the princeps was probably shorter in duration than the biceps (as in the dactylic hexameter), from true (marching) anapaests, in which they were equal.

   • 2000, James I. Porter, Nietzsche and the Philology of the Future, page 347:

     This means that in the metrical sequence […] recited in ordinary speech rhythm, the princeps occupied a slightly shorter time than the biceps (5:6), and if a long syllable was used to fill the biceps it had to be dragged a little […]

使用する際の注意点

• Now often mistaken as a plural form; see bicep. An archaic plural bicipites, borrowed from the Latin, also exists.

同意語

• (the biceps brachii): biceps brachii, biceps cubiti
• (the upper arm): guns, pipes, pythons, upper arm

反意語

• (prosody): princeps

派生語

関連する語

Latin

別の表記

• bicapitēs
• bicipēs

語源

From bis (“twice”) +‎ -ceps (“headed”).

発音

• (Classical) IPA^(key): /ˈbi.keps/, [ˈbɪkɛps̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈbi.t͡ʃeps/, [ˈbiːt͡ʃeps]

形容詞

biceps (genitive bicipitis); third-declension one-termination adjective

1. double-headed, having two heads
   • 43 BCE – c. 17 CE, Ovid, Fasti 1.65:

     Iane biceps, anni tacite labentis origo.

     Two-headed Janus, source of the quietly passing year

2. (of mountains) having two summits or peaks
   • 43 BCE – c. 17 CE, Ovid, Metamorphoses 2.221:

     Ardet in inmensum geminatis ignibus Aetne
     Parnasosque biceps et Eryx et Cynthus et Othrys.

     Aetna blazes in immense doubled flames
     and twin-peaked Parnasus and Eryx, Cynthus and Othrys

3. (of swords) double-edged
   • 405, Jerome and others, Vulgate, Proverbia 5:4b

     Acuta quasi gladius biceps.

     As sharp as a two-edged sword.

4. (by extension) divided into two parts

語形変化

Third-declension one-termination adjective.

同意語

• (double-headed): anceps

関連する語

• anceps
• caput
• centiceps
• triceps

派生した語

参照

• “biceps”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “biceps”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers