noun
apical consonant
A consonant articulated with the tip of the tongue (apex). Used in phonetics and linguistics.
日本語の「た」行の子音は舌尖音です。
The consonants in the Japanese 'ta' row are apical consonants.
舌端音 (laminal) uses the blade of the tongue, whereas 舌尖音 (apical) uses the very tip.
From 舌尖 (tongue tip) + 音 (sound). A straightforward compound used in linguistic terminology.