This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A knoblike enlargement at the end of an axon, where it forms a synapse with other neurons.

n. A bud-like swelling, especially one at the end of an axon

n. Button.

n. In entomology, the spoon-like or button-like extremity of the tongue of the honey-bee.

"In clothes, "une agrafe" is a hook used for fastening 2 edges of material together - usually more reliable than "un bouton-pression" (= a press button)"

biskra bouton   

Houghton    outen   

carriere    plasmacytoid    mutator    inflectional    cuire    frais    azhdarchid    cell-surface    loss-of-function    synoptic