舌尖

tip of tongue / apical

used in 喇舌[la3 ji1] to transcribe the Taiwanese word for "tongue"

tongue

point (of needle) / sharp / shrewd / pointed

pointed; tapering; sharp / (of a sound) shrill; piercing / (of one's hearing, sight etc) sharp; acute; keen / to make (one's voice) shrill / sharp point; tip / the best of sth; the cream of the crop

alveolar / consonants z, c, s produced with the tip of the tongue on the alveolar ridge

retroflex sound (e.g. in Mandarin zh, ch, sh, r)

apical consonant (produced with the tip of the tongue, i.e. d or t)

alveolar trill (e.g. Russian r sound)