verb form V tkllḥ tkl~H تكلّح Bookmark Bookmarked Share 1.(tropical:) He smiled: see 1. (K.) 2.Hence, (TA,) تكلّح البَرْقُ (tropical:) The lightning flashed in continued succession: (S, L, K:) also, it continued, and became concealed, in a white cloud. (L.)